1b2441318SGreg Kroah-Hartman# SPDX-License-Identifier: GPL-2.0 21da177e4SLinus Torvaldsconfig MIPS 31da177e4SLinus Torvalds bool 41da177e4SLinus Torvalds default y 5ea6a3737SPaul Burton select ARCH_BINFMT_ELF_STATE if MIPS_FP_SUPPORT 612597988SMatt Redfearn select ARCH_CLOCKSOURCE_DATA 712597988SMatt Redfearn select ARCH_DISCARD_MEMBLOCK 812597988SMatt Redfearn select ARCH_HAS_ELF_RANDOMIZE 912597988SMatt Redfearn select ARCH_HAS_TICK_BROADCAST if GENERIC_CLOCKEVENTS_BROADCAST 1012597988SMatt Redfearn select ARCH_SUPPORTS_UPROBES 111ee3630aSRalf Baechle select ARCH_USE_BUILTIN_BSWAP 1212597988SMatt Redfearn select ARCH_USE_CMPXCHG_LOCKREF if 64BIT 1325da4e9dSPaul Burton select ARCH_USE_QUEUED_RWLOCKS 140b17c967SPaul Burton select ARCH_USE_QUEUED_SPINLOCKS 1512597988SMatt Redfearn select ARCH_WANT_IPC_PARSE_VERSION 1612597988SMatt Redfearn select BUILDTIME_EXTABLE_SORT 1712597988SMatt Redfearn select CLONE_BACKWARDS 18*57eeacedSPaul Burton select CPU_NO_EFFICIENT_FFS if (TARGET_ISA_REV < 1) 1912597988SMatt Redfearn select CPU_PM if CPU_IDLE 20dffbfde7SChristoph Hellwig select DMA_DIRECT_OPS 2112597988SMatt Redfearn select GENERIC_ATOMIC64 if !64BIT 2212597988SMatt Redfearn select GENERIC_CLOCKEVENTS 2312597988SMatt Redfearn select GENERIC_CMOS_UPDATE 2412597988SMatt Redfearn select GENERIC_CPU_AUTOPROBE 25b962aeb0SPaul Burton select GENERIC_IOMAP 2612597988SMatt Redfearn select GENERIC_IRQ_PROBE 2712597988SMatt Redfearn select GENERIC_IRQ_SHOW 28740129b3SAntony Pavlov select GENERIC_LIB_ASHLDI3 29740129b3SAntony Pavlov select GENERIC_LIB_ASHRDI3 30740129b3SAntony Pavlov select GENERIC_LIB_CMPDI2 31740129b3SAntony Pavlov select GENERIC_LIB_LSHRDI3 32740129b3SAntony Pavlov select GENERIC_LIB_UCMPDI2 3312597988SMatt Redfearn select GENERIC_SCHED_CLOCK if !CAVIUM_OCTEON_SOC 3412597988SMatt Redfearn select GENERIC_SMP_IDLE_THREAD 3512597988SMatt Redfearn select GENERIC_TIME_VSYSCALL 3612597988SMatt Redfearn select HANDLE_DOMAIN_IRQ 37906d441fSPaul Burton select HAVE_ARCH_COMPILER_H 3812597988SMatt Redfearn select HAVE_ARCH_JUMP_LABEL 3988547001SJason Wessel select HAVE_ARCH_KGDB 40109c32ffSMatt Redfearn select HAVE_ARCH_MMAP_RND_BITS if MMU 41109c32ffSMatt Redfearn select HAVE_ARCH_MMAP_RND_COMPAT_BITS if MMU && COMPAT 42490b004fSMarkos Chandras select HAVE_ARCH_SECCOMP_FILTER 43c0ff3c53SRalf Baechle select HAVE_ARCH_TRACEHOOK 4412597988SMatt Redfearn select HAVE_ARCH_TRANSPARENT_HUGEPAGE if CPU_SUPPORTS_HUGEPAGES && 64BIT 45f381bf6dSDavid Daney select HAVE_CBPF_JIT if (!64BIT && !CPU_MICROMIPS) 46f381bf6dSDavid Daney select HAVE_EBPF_JIT if (64BIT && !CPU_MICROMIPS) 4712597988SMatt Redfearn select HAVE_CONTEXT_TRACKING 4812597988SMatt Redfearn select HAVE_COPY_THREAD_TLS 4964575f91SWu Zhangjin select HAVE_C_RECORDMCOUNT 5012597988SMatt Redfearn select HAVE_DEBUG_KMEMLEAK 5112597988SMatt Redfearn select HAVE_DEBUG_STACKOVERFLOW 5212597988SMatt Redfearn select HAVE_DMA_CONTIGUOUS 5312597988SMatt Redfearn select HAVE_DYNAMIC_FTRACE 5412597988SMatt Redfearn select HAVE_EXIT_THREAD 5512597988SMatt Redfearn select HAVE_FTRACE_MCOUNT_RECORD 5629c5d346SWu Zhangjin select HAVE_FUNCTION_GRAPH_TRACER 5712597988SMatt Redfearn select HAVE_FUNCTION_TRACER 5812597988SMatt Redfearn select HAVE_GENERIC_DMA_COHERENT 5912597988SMatt Redfearn select HAVE_IDE 60b3a428b4SHassan Naveed select HAVE_IOREMAP_PROT 6112597988SMatt Redfearn select HAVE_IRQ_EXIT_ON_IRQ_STACK 6212597988SMatt Redfearn select HAVE_IRQ_TIME_ACCOUNTING 63c1bf207dSDavid Daney select HAVE_KPROBES 64c1bf207dSDavid Daney select HAVE_KRETPROBES 659d15ffc8STejun Heo select HAVE_MEMBLOCK_NODE_MAP 66786d35d4SDavid Howells select HAVE_MOD_ARCH_SPECIFIC 6742a0bb3fSPetr Mladek select HAVE_NMI 6812597988SMatt Redfearn select HAVE_OPROFILE 6912597988SMatt Redfearn select HAVE_PERF_EVENTS 7008bccf43SMarcin Nowakowski select HAVE_REGS_AND_STACK_ACCESS_API 719ea141adSPaul Burton select HAVE_RSEQ 72d148eac0SMasahiro Yamada select HAVE_STACKPROTECTOR 7312597988SMatt Redfearn select HAVE_SYSCALL_TRACEPOINTS 74a3f14310SBen Hutchings select HAVE_VIRT_CPU_ACCOUNTING_GEN if 64BIT || !SMP 7512597988SMatt Redfearn select IRQ_FORCED_THREADING 7612597988SMatt Redfearn select MODULES_USE_ELF_RELA if MODULES && 64BIT 7712597988SMatt Redfearn select MODULES_USE_ELF_REL if MODULES 7812597988SMatt Redfearn select PERF_USE_VMALLOC 7905a0a344SArnd Bergmann select RTC_LIB 8012597988SMatt Redfearn select SYSCTL_EXCEPTION_TRACE 8112597988SMatt Redfearn select VIRT_TO_BUS 821da177e4SLinus Torvalds 831da177e4SLinus Torvaldsmenu "Machine selection" 841da177e4SLinus Torvalds 855e83d430SRalf Baechlechoice 865e83d430SRalf Baechle prompt "System type" 87d41e6858SMatt Redfearn default MIPS_GENERIC 881da177e4SLinus Torvalds 89eed0eabdSPaul Burtonconfig MIPS_GENERIC 90eed0eabdSPaul Burton bool "Generic board-agnostic MIPS kernel" 91eed0eabdSPaul Burton select BOOT_RAW 92eed0eabdSPaul Burton select BUILTIN_DTB 93eed0eabdSPaul Burton select CEVT_R4K 94eed0eabdSPaul Burton select CLKSRC_MIPS_GIC 95eed0eabdSPaul Burton select COMMON_CLK 96eed0eabdSPaul Burton select CPU_MIPSR2_IRQ_VI 97eed0eabdSPaul Burton select CPU_MIPSR2_IRQ_EI 98eed0eabdSPaul Burton select CSRC_R4K 99eed0eabdSPaul Burton select DMA_PERDEV_COHERENT 100eed0eabdSPaul Burton select HW_HAS_PCI 101eed0eabdSPaul Burton select IRQ_MIPS_CPU 102eed0eabdSPaul Burton select LIBFDT 1030211d49eSPaul Burton select MIPS_AUTO_PFN_OFFSET 104eed0eabdSPaul Burton select MIPS_CPU_SCACHE 105eed0eabdSPaul Burton select MIPS_GIC 106eed0eabdSPaul Burton select MIPS_L1_CACHE_SHIFT_7 107eed0eabdSPaul Burton select NO_EXCEPT_FILL 108eed0eabdSPaul Burton select PCI_DRIVERS_GENERIC 109eed0eabdSPaul Burton select PINCTRL 110eed0eabdSPaul Burton select SMP_UP if SMP 111a3078e59SMatt Redfearn select SWAP_IO_SPACE 112eed0eabdSPaul Burton select SYS_HAS_CPU_MIPS32_R1 113eed0eabdSPaul Burton select SYS_HAS_CPU_MIPS32_R2 114eed0eabdSPaul Burton select SYS_HAS_CPU_MIPS32_R6 115eed0eabdSPaul Burton select SYS_HAS_CPU_MIPS64_R1 116eed0eabdSPaul Burton select SYS_HAS_CPU_MIPS64_R2 117eed0eabdSPaul Burton select SYS_HAS_CPU_MIPS64_R6 118eed0eabdSPaul Burton select SYS_SUPPORTS_32BIT_KERNEL 119eed0eabdSPaul Burton select SYS_SUPPORTS_64BIT_KERNEL 120eed0eabdSPaul Burton select SYS_SUPPORTS_BIG_ENDIAN 121eed0eabdSPaul Burton select SYS_SUPPORTS_HIGHMEM 122eed0eabdSPaul Burton select SYS_SUPPORTS_LITTLE_ENDIAN 123eed0eabdSPaul Burton select SYS_SUPPORTS_MICROMIPS 124eed0eabdSPaul Burton select SYS_SUPPORTS_MIPS_CPS 125eed0eabdSPaul Burton select SYS_SUPPORTS_MIPS16 126eed0eabdSPaul Burton select SYS_SUPPORTS_MULTITHREADING 127eed0eabdSPaul Burton select SYS_SUPPORTS_RELOCATABLE 128eed0eabdSPaul Burton select SYS_SUPPORTS_SMARTMIPS 1292e6522c5SCorentin Labbe select USB_EHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN 1302e6522c5SCorentin Labbe select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 1312e6522c5SCorentin Labbe select USB_OHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN 1322e6522c5SCorentin Labbe select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 1332e6522c5SCorentin Labbe select USB_UHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN 1342e6522c5SCorentin Labbe select USB_UHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 135eed0eabdSPaul Burton select USE_OF 1362fe8ea39SDengcheng Zhu select UHI_BOOT 137eed0eabdSPaul Burton help 138eed0eabdSPaul Burton Select this to build a kernel which aims to support multiple boards, 139eed0eabdSPaul Burton generally using a flattened device tree passed from the bootloader 140eed0eabdSPaul Burton using the boot protocol defined in the UHI (Unified Hosting 141eed0eabdSPaul Burton Interface) specification. 142eed0eabdSPaul Burton 14342a4f17dSManuel Laussconfig MIPS_ALCHEMY 144c3543e25SYoichi Yuasa bool "Alchemy processor based machines" 145d4a451d5SChristoph Hellwig select PHYS_ADDR_T_64BIT 146f772cdb2SRalf Baechle select CEVT_R4K 147d7ea335cSSteven J. Hill select CSRC_R4K 14867e38cf2SRalf Baechle select IRQ_MIPS_CPU 14988e9a93cSManuel Lauss select DMA_MAYBE_COHERENT # Au1000,1500,1100 aren't, rest is 15042a4f17dSManuel Lauss select SYS_HAS_CPU_MIPS32_R1 15142a4f17dSManuel Lauss select SYS_SUPPORTS_32BIT_KERNEL 15242a4f17dSManuel Lauss select SYS_SUPPORTS_APM_EMULATION 153d30a2b47SLinus Walleij select GPIOLIB 1541b93b3c3SWu Zhangjin select SYS_SUPPORTS_ZBOOT 15547440229SManuel Lauss select COMMON_CLK 1561da177e4SLinus Torvalds 1577ca5dc14SFlorian Fainelliconfig AR7 1587ca5dc14SFlorian Fainelli bool "Texas Instruments AR7" 1597ca5dc14SFlorian Fainelli select BOOT_ELF32 1607ca5dc14SFlorian Fainelli select DMA_NONCOHERENT 1617ca5dc14SFlorian Fainelli select CEVT_R4K 1627ca5dc14SFlorian Fainelli select CSRC_R4K 16367e38cf2SRalf Baechle select IRQ_MIPS_CPU 1647ca5dc14SFlorian Fainelli select NO_EXCEPT_FILL 1657ca5dc14SFlorian Fainelli select SWAP_IO_SPACE 1667ca5dc14SFlorian Fainelli select SYS_HAS_CPU_MIPS32_R1 1677ca5dc14SFlorian Fainelli select SYS_HAS_EARLY_PRINTK 1687ca5dc14SFlorian Fainelli select SYS_SUPPORTS_32BIT_KERNEL 1697ca5dc14SFlorian Fainelli select SYS_SUPPORTS_LITTLE_ENDIAN 170377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 1711b93b3c3SWu Zhangjin select SYS_SUPPORTS_ZBOOT_UART16550 172d30a2b47SLinus Walleij select GPIOLIB 1737ca5dc14SFlorian Fainelli select VLYNQ 1748551fb64SYoichi Yuasa select HAVE_CLK 1757ca5dc14SFlorian Fainelli help 1767ca5dc14SFlorian Fainelli Support for the Texas Instruments AR7 System-on-a-Chip 1777ca5dc14SFlorian Fainelli family: TNETD7100, 7200 and 7300. 1787ca5dc14SFlorian Fainelli 17943cc739fSSergey Ryazanovconfig ATH25 18043cc739fSSergey Ryazanov bool "Atheros AR231x/AR531x SoC support" 18143cc739fSSergey Ryazanov select CEVT_R4K 18243cc739fSSergey Ryazanov select CSRC_R4K 18343cc739fSSergey Ryazanov select DMA_NONCOHERENT 18467e38cf2SRalf Baechle select IRQ_MIPS_CPU 1851753e74eSSergey Ryazanov select IRQ_DOMAIN 18643cc739fSSergey Ryazanov select SYS_HAS_CPU_MIPS32_R1 18743cc739fSSergey Ryazanov select SYS_SUPPORTS_BIG_ENDIAN 18843cc739fSSergey Ryazanov select SYS_SUPPORTS_32BIT_KERNEL 1898aaa7278SSergey Ryazanov select SYS_HAS_EARLY_PRINTK 19043cc739fSSergey Ryazanov help 19143cc739fSSergey Ryazanov Support for Atheros AR231x and Atheros AR531x based boards 19243cc739fSSergey Ryazanov 193d4a67d9dSGabor Juhosconfig ATH79 194d4a67d9dSGabor Juhos bool "Atheros AR71XX/AR724X/AR913X based boards" 195ff591a91SAlban Bedel select ARCH_HAS_RESET_CONTROLLER 196d4a67d9dSGabor Juhos select BOOT_RAW 197d4a67d9dSGabor Juhos select CEVT_R4K 198d4a67d9dSGabor Juhos select CSRC_R4K 199d4a67d9dSGabor Juhos select DMA_NONCOHERENT 200d30a2b47SLinus Walleij select GPIOLIB 201a08227a2SJohn Crispin select PINCTRL 20294638067SGabor Juhos select HAVE_CLK 203411520afSAlban Bedel select COMMON_CLK 2042c4f1ac5SGabor Juhos select CLKDEV_LOOKUP 20567e38cf2SRalf Baechle select IRQ_MIPS_CPU 2060aabf1a4SGabor Juhos select MIPS_MACHINE 207d4a67d9dSGabor Juhos select SYS_HAS_CPU_MIPS32_R2 208d4a67d9dSGabor Juhos select SYS_HAS_EARLY_PRINTK 209d4a67d9dSGabor Juhos select SYS_SUPPORTS_32BIT_KERNEL 210d4a67d9dSGabor Juhos select SYS_SUPPORTS_BIG_ENDIAN 211377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 212b3f0a250SAlban Bedel select SYS_SUPPORTS_ZBOOT_UART_PROM 21303c8c407SAlban Bedel select USE_OF 21453d473fcSAlban Bedel select USB_EHCI_ROOT_HUB_TT if USB_EHCI_HCD_PLATFORM 215d4a67d9dSGabor Juhos help 216d4a67d9dSGabor Juhos Support for the Atheros AR71XX/AR724X/AR913X SoCs. 217d4a67d9dSGabor Juhos 2185f2d4459SKevin Cernekeeconfig BMIPS_GENERIC 2195f2d4459SKevin Cernekee bool "Broadcom Generic BMIPS kernel" 220d59098a0SChristoph Hellwig select ARCH_HAS_SYNC_DMA_FOR_CPU_ALL 221d59098a0SChristoph Hellwig select ARCH_HAS_PHYS_TO_DMA 222d666cd02SKevin Cernekee select BOOT_RAW 223d666cd02SKevin Cernekee select NO_EXCEPT_FILL 224d666cd02SKevin Cernekee select USE_OF 225d666cd02SKevin Cernekee select CEVT_R4K 226d666cd02SKevin Cernekee select CSRC_R4K 227d666cd02SKevin Cernekee select SYNC_R4K 228d666cd02SKevin Cernekee select COMMON_CLK 229c7c42ec2SSimon Arlott select BCM6345_L1_IRQ 23060b858f2SKevin Cernekee select BCM7038_L1_IRQ 23160b858f2SKevin Cernekee select BCM7120_L2_IRQ 23260b858f2SKevin Cernekee select BRCMSTB_L2_IRQ 23367e38cf2SRalf Baechle select IRQ_MIPS_CPU 23460b858f2SKevin Cernekee select DMA_NONCOHERENT 235d666cd02SKevin Cernekee select SYS_SUPPORTS_32BIT_KERNEL 23660b858f2SKevin Cernekee select SYS_SUPPORTS_LITTLE_ENDIAN 237d666cd02SKevin Cernekee select SYS_SUPPORTS_BIG_ENDIAN 238d666cd02SKevin Cernekee select SYS_SUPPORTS_HIGHMEM 23960b858f2SKevin Cernekee select SYS_HAS_CPU_BMIPS32_3300 24060b858f2SKevin Cernekee select SYS_HAS_CPU_BMIPS4350 24160b858f2SKevin Cernekee select SYS_HAS_CPU_BMIPS4380 242d666cd02SKevin Cernekee select SYS_HAS_CPU_BMIPS5000 243d666cd02SKevin Cernekee select SWAP_IO_SPACE 24460b858f2SKevin Cernekee select USB_EHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN 24560b858f2SKevin Cernekee select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 24660b858f2SKevin Cernekee select USB_OHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN 24760b858f2SKevin Cernekee select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 2484dc4704cSJustin Chen select HARDIRQS_SW_RESEND 249d666cd02SKevin Cernekee help 2505f2d4459SKevin Cernekee Build a generic DT-based kernel image that boots on select 2515f2d4459SKevin Cernekee BCM33xx cable modem chips, BCM63xx DSL chips, and BCM7xxx set-top 2525f2d4459SKevin Cernekee box chips. Note that CONFIG_CPU_BIG_ENDIAN/CONFIG_CPU_LITTLE_ENDIAN 2535f2d4459SKevin Cernekee must be set appropriately for your board. 254d666cd02SKevin Cernekee 2551c0c13ebSAurelien Jarnoconfig BCM47XX 256c619366eSFlorian Fainelli bool "Broadcom BCM47XX based boards" 257fe08f8c2SHauke Mehrtens select BOOT_RAW 25842f77542SRalf Baechle select CEVT_R4K 259940f6b48SRalf Baechle select CSRC_R4K 2601c0c13ebSAurelien Jarno select DMA_NONCOHERENT 2611c0c13ebSAurelien Jarno select HW_HAS_PCI 26267e38cf2SRalf Baechle select IRQ_MIPS_CPU 263314878d2SMarkos Chandras select SYS_HAS_CPU_MIPS32_R1 264dd54deddSHauke Mehrtens select NO_EXCEPT_FILL 2651c0c13ebSAurelien Jarno select SYS_SUPPORTS_32BIT_KERNEL 2661c0c13ebSAurelien Jarno select SYS_SUPPORTS_LITTLE_ENDIAN 267377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 2686507831fSAaro Koskinen select SYS_SUPPORTS_ZBOOT 26925e5fb97SAurelien Jarno select SYS_HAS_EARLY_PRINTK 270e6086557SRalf Baechle select USE_GENERIC_EARLY_PRINTK_8250 271c949c0bcSRafał Miłecki select GPIOLIB 272c949c0bcSRafał Miłecki select LEDS_GPIO_REGISTER 273f6e734a8SRafał Miłecki select BCM47XX_NVRAM 2742ab71a02SRafał Miłecki select BCM47XX_SPROM 275dfe00495SMatt Redfearn select BCM47XX_SSB if !BCM47XX_BCMA 2761c0c13ebSAurelien Jarno help 2771c0c13ebSAurelien Jarno Support for BCM47XX based boards 2781c0c13ebSAurelien Jarno 279e7300d04SMaxime Bizonconfig BCM63XX 280e7300d04SMaxime Bizon bool "Broadcom BCM63XX based boards" 281ae8de61cSFlorian Fainelli select BOOT_RAW 282e7300d04SMaxime Bizon select CEVT_R4K 283e7300d04SMaxime Bizon select CSRC_R4K 284fc264022SJonas Gorski select SYNC_R4K 285e7300d04SMaxime Bizon select DMA_NONCOHERENT 28667e38cf2SRalf Baechle select IRQ_MIPS_CPU 287e7300d04SMaxime Bizon select SYS_SUPPORTS_32BIT_KERNEL 288e7300d04SMaxime Bizon select SYS_SUPPORTS_BIG_ENDIAN 289e7300d04SMaxime Bizon select SYS_HAS_EARLY_PRINTK 290e7300d04SMaxime Bizon select SWAP_IO_SPACE 291d30a2b47SLinus Walleij select GPIOLIB 2923e82eeebSYoichi Yuasa select HAVE_CLK 293af2418beSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_4 294c5af3c2dSJonas Gorski select CLKDEV_LOOKUP 295e7300d04SMaxime Bizon help 296e7300d04SMaxime Bizon Support for BCM63XX based boards 297e7300d04SMaxime Bizon 2981da177e4SLinus Torvaldsconfig MIPS_COBALT 2993fa986faSMartin Michlmayr bool "Cobalt Server" 30042f77542SRalf Baechle select CEVT_R4K 301940f6b48SRalf Baechle select CSRC_R4K 3021097c6acSYoichi Yuasa select CEVT_GT641XX 3031da177e4SLinus Torvalds select DMA_NONCOHERENT 3041da177e4SLinus Torvalds select HW_HAS_PCI 305d865bea4SRalf Baechle select I8253 3061da177e4SLinus Torvalds select I8259 30767e38cf2SRalf Baechle select IRQ_MIPS_CPU 308d5ab1a69SYoichi Yuasa select IRQ_GT641XX 309252161ecSYoichi Yuasa select PCI_GT64XXX_PCI0 310e25bfc92SYoichi Yuasa select PCI 3117cf8053bSRalf Baechle select SYS_HAS_CPU_NEVADA 3120a22e0d4SYoichi Yuasa select SYS_HAS_EARLY_PRINTK 313ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 3140e8774b6SFlorian Fainelli select SYS_SUPPORTS_64BIT_KERNEL 3155e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 316e6086557SRalf Baechle select USE_GENERIC_EARLY_PRINTK_8250 3171da177e4SLinus Torvalds 3181da177e4SLinus Torvaldsconfig MACH_DECSTATION 3193fa986faSMartin Michlmayr bool "DECstations" 3201da177e4SLinus Torvalds select BOOT_ELF32 3216457d9fcSYoichi Yuasa select CEVT_DS1287 32281d10badSMaciej W. Rozycki select CEVT_R4K if CPU_R4X00 3234247417dSYoichi Yuasa select CSRC_IOASIC 32481d10badSMaciej W. Rozycki select CSRC_R4K if CPU_R4X00 32520d60d99SMaciej W. Rozycki select CPU_DADDI_WORKAROUNDS if 64BIT 32620d60d99SMaciej W. Rozycki select CPU_R4000_WORKAROUNDS if 64BIT 32720d60d99SMaciej W. Rozycki select CPU_R4400_WORKAROUNDS if 64BIT 3281da177e4SLinus Torvalds select DMA_NONCOHERENT 329ce816fa8SUwe Kleine-König select NO_IOPORT_MAP 33067e38cf2SRalf Baechle select IRQ_MIPS_CPU 3317cf8053bSRalf Baechle select SYS_HAS_CPU_R3000 3327cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 333ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 3347d60717eSKees Cook select SYS_SUPPORTS_64BIT_KERNEL 3355e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 3361723b4a3SAtsushi Nemoto select SYS_SUPPORTS_128HZ 3371723b4a3SAtsushi Nemoto select SYS_SUPPORTS_256HZ 3381723b4a3SAtsushi Nemoto select SYS_SUPPORTS_1024HZ 339930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_4 3405e83d430SRalf Baechle help 3411da177e4SLinus Torvalds This enables support for DEC's MIPS based workstations. For details 3421da177e4SLinus Torvalds see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the 3431da177e4SLinus Torvalds DECstation porting pages on <http://decstation.unix-ag.org/>. 3441da177e4SLinus Torvalds 3451da177e4SLinus Torvalds If you have one of the following DECstation Models you definitely 3461da177e4SLinus Torvalds want to choose R4xx0 for the CPU Type: 3471da177e4SLinus Torvalds 3481da177e4SLinus Torvalds DECstation 5000/50 3491da177e4SLinus Torvalds DECstation 5000/150 3501da177e4SLinus Torvalds DECstation 5000/260 3511da177e4SLinus Torvalds DECsystem 5900/260 3521da177e4SLinus Torvalds 3531da177e4SLinus Torvalds otherwise choose R3000. 3541da177e4SLinus Torvalds 3555e83d430SRalf Baechleconfig MACH_JAZZ 3563fa986faSMartin Michlmayr bool "Jazz family of machines" 357a211a082SRalf Baechle select ARCH_MIGHT_HAVE_PC_PARPORT 3587a407aa5SRalf Baechle select ARCH_MIGHT_HAVE_PC_SERIO 3590e2794b0SRalf Baechle select FW_ARC 3600e2794b0SRalf Baechle select FW_ARC32 3615e83d430SRalf Baechle select ARCH_MAY_HAVE_PC_FDC 36242f77542SRalf Baechle select CEVT_R4K 363940f6b48SRalf Baechle select CSRC_R4K 364e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN 3655e83d430SRalf Baechle select GENERIC_ISA_DMA 3668a118c38SRalf Baechle select HAVE_PCSPKR_PLATFORM 36767e38cf2SRalf Baechle select IRQ_MIPS_CPU 368d865bea4SRalf Baechle select I8253 3695e83d430SRalf Baechle select I8259 3705e83d430SRalf Baechle select ISA 3717cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 3725e83d430SRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 3737d60717eSKees Cook select SYS_SUPPORTS_64BIT_KERNEL 3741723b4a3SAtsushi Nemoto select SYS_SUPPORTS_100HZ 3751da177e4SLinus Torvalds help 3765e83d430SRalf Baechle This a family of machines based on the MIPS R4030 chipset which was 3775e83d430SRalf Baechle used by several vendors to build RISC/os and Windows NT workstations. 378692105b8SMatt LaPlante Members include the Acer PICA, MIPS Magnum 4000, MIPS Millennium and 3795e83d430SRalf Baechle Olivetti M700-10 workstations. 3805e83d430SRalf Baechle 381de361e8bSPaul Burtonconfig MACH_INGENIC 382de361e8bSPaul Burton bool "Ingenic SoC based machines" 3835ebabe59SLars-Peter Clausen select SYS_SUPPORTS_32BIT_KERNEL 3845ebabe59SLars-Peter Clausen select SYS_SUPPORTS_LITTLE_ENDIAN 385f9c9affcSLluís Batlle i Rossell select SYS_SUPPORTS_ZBOOT_UART16550 3865ebabe59SLars-Peter Clausen select DMA_NONCOHERENT 38767e38cf2SRalf Baechle select IRQ_MIPS_CPU 38837b4c3caSPaul Cercueil select PINCTRL 389d30a2b47SLinus Walleij select GPIOLIB 390ff1930c6SPaul Burton select COMMON_CLK 39183bc7692SLars-Peter Clausen select GENERIC_IRQ_CHIP 392ffb1843dSPaul Burton select BUILTIN_DTB 393ffb1843dSPaul Burton select USE_OF 3946ec127fbSPaul Burton select LIBFDT 3955ebabe59SLars-Peter Clausen 396171bb2f1SJohn Crispinconfig LANTIQ 397171bb2f1SJohn Crispin bool "Lantiq based platforms" 398171bb2f1SJohn Crispin select DMA_NONCOHERENT 39967e38cf2SRalf Baechle select IRQ_MIPS_CPU 400171bb2f1SJohn Crispin select CEVT_R4K 401171bb2f1SJohn Crispin select CSRC_R4K 402171bb2f1SJohn Crispin select SYS_HAS_CPU_MIPS32_R1 403171bb2f1SJohn Crispin select SYS_HAS_CPU_MIPS32_R2 404171bb2f1SJohn Crispin select SYS_SUPPORTS_BIG_ENDIAN 405171bb2f1SJohn Crispin select SYS_SUPPORTS_32BIT_KERNEL 406377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 407171bb2f1SJohn Crispin select SYS_SUPPORTS_MULTITHREADING 408f35764e7SJames Hogan select SYS_SUPPORTS_VPE_LOADER 409171bb2f1SJohn Crispin select SYS_HAS_EARLY_PRINTK 410d30a2b47SLinus Walleij select GPIOLIB 411171bb2f1SJohn Crispin select SWAP_IO_SPACE 412171bb2f1SJohn Crispin select BOOT_RAW 413287e3f3fSJohn Crispin select CLKDEV_LOOKUP 414a0392222SJohn Crispin select USE_OF 4153f8c50c9SJohn Crispin select PINCTRL 4163f8c50c9SJohn Crispin select PINCTRL_LANTIQ 417c530781cSJohn Crispin select ARCH_HAS_RESET_CONTROLLER 418c530781cSJohn Crispin select RESET_CONTROLLER 419171bb2f1SJohn Crispin 4201f21d2bdSBrian Murphyconfig LASAT 4211f21d2bdSBrian Murphy bool "LASAT Networks platforms" 42242f77542SRalf Baechle select CEVT_R4K 42316f0bbbcSRalf Baechle select CRC32 424940f6b48SRalf Baechle select CSRC_R4K 4251f21d2bdSBrian Murphy select DMA_NONCOHERENT 4261f21d2bdSBrian Murphy select SYS_HAS_EARLY_PRINTK 4271f21d2bdSBrian Murphy select HW_HAS_PCI 42867e38cf2SRalf Baechle select IRQ_MIPS_CPU 4291f21d2bdSBrian Murphy select PCI_GT64XXX_PCI0 4301f21d2bdSBrian Murphy select MIPS_NILE4 4311f21d2bdSBrian Murphy select R5000_CPU_SCACHE 4321f21d2bdSBrian Murphy select SYS_HAS_CPU_R5000 4331f21d2bdSBrian Murphy select SYS_SUPPORTS_32BIT_KERNEL 4341f21d2bdSBrian Murphy select SYS_SUPPORTS_64BIT_KERNEL if BROKEN 4351f21d2bdSBrian Murphy select SYS_SUPPORTS_LITTLE_ENDIAN 4361f21d2bdSBrian Murphy 43730ad29bbSHuacai Chenconfig MACH_LOONGSON32 43830ad29bbSHuacai Chen bool "Loongson-1 family of machines" 439c7e8c668SWu Zhangjin select SYS_SUPPORTS_ZBOOT 440ade299d8SYoichi Yuasa help 44130ad29bbSHuacai Chen This enables support for the Loongson-1 family of machines. 44285749d24SWu Zhangjin 44330ad29bbSHuacai Chen Loongson-1 is a family of 32-bit MIPS-compatible SoCs developed by 44430ad29bbSHuacai Chen the Institute of Computing Technology (ICT), Chinese Academy of 44530ad29bbSHuacai Chen Sciences (CAS). 446ade299d8SYoichi Yuasa 44730ad29bbSHuacai Chenconfig MACH_LOONGSON64 44830ad29bbSHuacai Chen bool "Loongson-2/3 family of machines" 449ca585cf9SKelvin Cheung select SYS_SUPPORTS_ZBOOT 450ca585cf9SKelvin Cheung help 45130ad29bbSHuacai Chen This enables the support of Loongson-2/3 family of machines. 452ca585cf9SKelvin Cheung 45330ad29bbSHuacai Chen Loongson-2 is a family of single-core CPUs and Loongson-3 is a 45430ad29bbSHuacai Chen family of multi-core CPUs. They are both 64-bit general-purpose 45530ad29bbSHuacai Chen MIPS-compatible CPUs. Loongson-2/3 are developed by the Institute 45630ad29bbSHuacai Chen of Computing Technology (ICT), Chinese Academy of Sciences (CAS) 45730ad29bbSHuacai Chen in the People's Republic of China. The chief architect is Professor 45830ad29bbSHuacai Chen Weiwu Hu. 459ca585cf9SKelvin Cheung 4606a438309SAndrew Brestickerconfig MACH_PISTACHIO 4616a438309SAndrew Bresticker bool "IMG Pistachio SoC based boards" 4626a438309SAndrew Bresticker select BOOT_ELF32 4636a438309SAndrew Bresticker select BOOT_RAW 4646a438309SAndrew Bresticker select CEVT_R4K 4656a438309SAndrew Bresticker select CLKSRC_MIPS_GIC 4666a438309SAndrew Bresticker select COMMON_CLK 4676a438309SAndrew Bresticker select CSRC_R4K 468645c7827SZubair Lutfullah Kakakhel select DMA_NONCOHERENT 469d30a2b47SLinus Walleij select GPIOLIB 47067e38cf2SRalf Baechle select IRQ_MIPS_CPU 4716a438309SAndrew Bresticker select LIBFDT 4726a438309SAndrew Bresticker select MFD_SYSCON 4736a438309SAndrew Bresticker select MIPS_CPU_SCACHE 4746a438309SAndrew Bresticker select MIPS_GIC 4756a438309SAndrew Bresticker select PINCTRL 4766a438309SAndrew Bresticker select REGULATOR 4776a438309SAndrew Bresticker select SYS_HAS_CPU_MIPS32_R2 4786a438309SAndrew Bresticker select SYS_SUPPORTS_32BIT_KERNEL 4796a438309SAndrew Bresticker select SYS_SUPPORTS_LITTLE_ENDIAN 4806a438309SAndrew Bresticker select SYS_SUPPORTS_MIPS_CPS 4816a438309SAndrew Bresticker select SYS_SUPPORTS_MULTITHREADING 48241cc07beSMatt Redfearn select SYS_SUPPORTS_RELOCATABLE 4836a438309SAndrew Bresticker select SYS_SUPPORTS_ZBOOT 484018f62eeSEzequiel Garcia select SYS_HAS_EARLY_PRINTK 485018f62eeSEzequiel Garcia select USE_GENERIC_EARLY_PRINTK_8250 4866a438309SAndrew Bresticker select USE_OF 4876a438309SAndrew Bresticker help 4886a438309SAndrew Bresticker This enables support for the IMG Pistachio SoC platform. 4896a438309SAndrew Bresticker 4901da177e4SLinus Torvaldsconfig MIPS_MALTA 4913fa986faSMartin Michlmayr bool "MIPS Malta board" 49261ed242dSRalf Baechle select ARCH_MAY_HAVE_PC_FDC 493a211a082SRalf Baechle select ARCH_MIGHT_HAVE_PC_PARPORT 4947a407aa5SRalf Baechle select ARCH_MIGHT_HAVE_PC_SERIO 4951da177e4SLinus Torvalds select BOOT_ELF32 496fa71c960SRalf Baechle select BOOT_RAW 497e8823d26SPaul Burton select BUILTIN_DTB 49842f77542SRalf Baechle select CEVT_R4K 499fa5635a2SAndrew Bresticker select CLKSRC_MIPS_GIC 50042b002abSGuenter Roeck select COMMON_CLK 50147bf2b03SMaksym Kokhan select CSRC_R4K 502885014bcSFelix Fietkau select DMA_MAYBE_COHERENT 5031da177e4SLinus Torvalds select GENERIC_ISA_DMA 5048a118c38SRalf Baechle select HAVE_PCSPKR_PLATFORM 5051da177e4SLinus Torvalds select HW_HAS_PCI 506d865bea4SRalf Baechle select I8253 5071da177e4SLinus Torvalds select I8259 50847bf2b03SMaksym Kokhan select IRQ_MIPS_CPU 50947bf2b03SMaksym Kokhan select LIBFDT 5105e83d430SRalf Baechle select MIPS_BONITO64 5119318c51aSChris Dearman select MIPS_CPU_SCACHE 51247bf2b03SMaksym Kokhan select MIPS_GIC 513a7ef1eadSKevin Cernekee select MIPS_L1_CACHE_SHIFT_6 5145e83d430SRalf Baechle select MIPS_MSC 51547bf2b03SMaksym Kokhan select PCI_GT64XXX_PCI0 516ecafe3e9SPaul Burton select SMP_UP if SMP 5171da177e4SLinus Torvalds select SWAP_IO_SPACE 5187cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 5197cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R2 520bfc3c5a6SMarkos Chandras select SYS_HAS_CPU_MIPS32_R3_5 521c5b36783SSteven J. Hill select SYS_HAS_CPU_MIPS32_R5 522575509b6SMarkos Chandras select SYS_HAS_CPU_MIPS32_R6 5237cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS64_R1 5245d9fbed1SLeonid Yegoshin select SYS_HAS_CPU_MIPS64_R2 525575509b6SMarkos Chandras select SYS_HAS_CPU_MIPS64_R6 5267cf8053bSRalf Baechle select SYS_HAS_CPU_NEVADA 5277cf8053bSRalf Baechle select SYS_HAS_CPU_RM7000 528ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 529ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 5305e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 531c5b36783SSteven J. Hill select SYS_SUPPORTS_HIGHMEM 5325e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 533424ebcdfSMaciej W. Rozycki select SYS_SUPPORTS_MICROMIPS 53447bf2b03SMaksym Kokhan select SYS_SUPPORTS_MIPS16 5350365070fSTim Anderson select SYS_SUPPORTS_MIPS_CMP 536e56b6aa6SPaul Burton select SYS_SUPPORTS_MIPS_CPS 537f41ae0b2SRalf Baechle select SYS_SUPPORTS_MULTITHREADING 53847bf2b03SMaksym Kokhan select SYS_SUPPORTS_RELOCATABLE 5399693a853SFranck Bui-Huu select SYS_SUPPORTS_SMARTMIPS 540f35764e7SJames Hogan select SYS_SUPPORTS_VPE_LOADER 5411b93b3c3SWu Zhangjin select SYS_SUPPORTS_ZBOOT 542e8823d26SPaul Burton select USE_OF 543abcc82b1SJames Hogan select ZONE_DMA32 if 64BIT 5441da177e4SLinus Torvalds help 545f638d197SMaciej W. Rozycki This enables support for the MIPS Technologies Malta evaluation 5461da177e4SLinus Torvalds board. 5471da177e4SLinus Torvalds 5482572f00dSJoshua Hendersonconfig MACH_PIC32 5492572f00dSJoshua Henderson bool "Microchip PIC32 Family" 5502572f00dSJoshua Henderson help 5512572f00dSJoshua Henderson This enables support for the Microchip PIC32 family of platforms. 5522572f00dSJoshua Henderson 5532572f00dSJoshua Henderson Microchip PIC32 is a family of general-purpose 32 bit MIPS core 5542572f00dSJoshua Henderson microcontrollers. 5552572f00dSJoshua Henderson 556a83860c2SRalf Baechleconfig NEC_MARKEINS 557a83860c2SRalf Baechle bool "NEC EMMA2RH Mark-eins board" 558a83860c2SRalf Baechle select SOC_EMMA2RH 559a83860c2SRalf Baechle select HW_HAS_PCI 560a83860c2SRalf Baechle help 561a83860c2SRalf Baechle This enables support for the NEC Electronics Mark-eins boards. 562ade299d8SYoichi Yuasa 5635e83d430SRalf Baechleconfig MACH_VR41XX 56474142d65SYoichi Yuasa bool "NEC VR4100 series based machines" 56542f77542SRalf Baechle select CEVT_R4K 566940f6b48SRalf Baechle select CSRC_R4K 5677cf8053bSRalf Baechle select SYS_HAS_CPU_VR41XX 568377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 569d30a2b47SLinus Walleij select GPIOLIB 5705e83d430SRalf Baechle 571edb6310aSDaniel Lairdconfig NXP_STB220 572edb6310aSDaniel Laird bool "NXP STB220 board" 573edb6310aSDaniel Laird select SOC_PNX833X 574edb6310aSDaniel Laird help 575edb6310aSDaniel Laird Support for NXP Semiconductors STB220 Development Board. 576edb6310aSDaniel Laird 577edb6310aSDaniel Lairdconfig NXP_STB225 578edb6310aSDaniel Laird bool "NXP 225 board" 579edb6310aSDaniel Laird select SOC_PNX833X 580edb6310aSDaniel Laird select SOC_PNX8335 581edb6310aSDaniel Laird help 582edb6310aSDaniel Laird Support for NXP Semiconductors STB225 Development Board. 583edb6310aSDaniel Laird 5849267a30dSMarc St-Jeanconfig PMC_MSP 5859267a30dSMarc St-Jean bool "PMC-Sierra MSP chipsets" 58639d30c13SAnoop P A select CEVT_R4K 58739d30c13SAnoop P A select CSRC_R4K 5889267a30dSMarc St-Jean select DMA_NONCOHERENT 5899267a30dSMarc St-Jean select SWAP_IO_SPACE 5909267a30dSMarc St-Jean select NO_EXCEPT_FILL 5919267a30dSMarc St-Jean select BOOT_RAW 5929267a30dSMarc St-Jean select SYS_HAS_CPU_MIPS32_R1 5939267a30dSMarc St-Jean select SYS_HAS_CPU_MIPS32_R2 5949267a30dSMarc St-Jean select SYS_SUPPORTS_32BIT_KERNEL 5959267a30dSMarc St-Jean select SYS_SUPPORTS_BIG_ENDIAN 596377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 59767e38cf2SRalf Baechle select IRQ_MIPS_CPU 5989267a30dSMarc St-Jean select SERIAL_8250 5999267a30dSMarc St-Jean select SERIAL_8250_CONSOLE 6009296d94dSFlorian Fainelli select USB_EHCI_BIG_ENDIAN_MMIO 6019296d94dSFlorian Fainelli select USB_EHCI_BIG_ENDIAN_DESC 6029267a30dSMarc St-Jean help 6039267a30dSMarc St-Jean This adds support for the PMC-Sierra family of Multi-Service 6049267a30dSMarc St-Jean Processor System-On-A-Chips. These parts include a number 6059267a30dSMarc St-Jean of integrated peripherals, interfaces and DSPs in addition to 6069267a30dSMarc St-Jean a variety of MIPS cores. 6079267a30dSMarc St-Jean 608ae2b5bb6SJohn Crispinconfig RALINK 609ae2b5bb6SJohn Crispin bool "Ralink based machines" 610ae2b5bb6SJohn Crispin select CEVT_R4K 611ae2b5bb6SJohn Crispin select CSRC_R4K 612ae2b5bb6SJohn Crispin select BOOT_RAW 613ae2b5bb6SJohn Crispin select DMA_NONCOHERENT 61467e38cf2SRalf Baechle select IRQ_MIPS_CPU 615ae2b5bb6SJohn Crispin select USE_OF 616ae2b5bb6SJohn Crispin select SYS_HAS_CPU_MIPS32_R1 617ae2b5bb6SJohn Crispin select SYS_HAS_CPU_MIPS32_R2 618ae2b5bb6SJohn Crispin select SYS_SUPPORTS_32BIT_KERNEL 619ae2b5bb6SJohn Crispin select SYS_SUPPORTS_LITTLE_ENDIAN 620377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 621ae2b5bb6SJohn Crispin select SYS_HAS_EARLY_PRINTK 622ae2b5bb6SJohn Crispin select CLKDEV_LOOKUP 6232a153f1cSJohn Crispin select ARCH_HAS_RESET_CONTROLLER 6242a153f1cSJohn Crispin select RESET_CONTROLLER 625ae2b5bb6SJohn Crispin 6261da177e4SLinus Torvaldsconfig SGI_IP22 6273fa986faSMartin Michlmayr bool "SGI IP22 (Indy/Indigo2)" 6280e2794b0SRalf Baechle select FW_ARC 6290e2794b0SRalf Baechle select FW_ARC32 6307a407aa5SRalf Baechle select ARCH_MIGHT_HAVE_PC_SERIO 6311da177e4SLinus Torvalds select BOOT_ELF32 63242f77542SRalf Baechle select CEVT_R4K 633940f6b48SRalf Baechle select CSRC_R4K 634e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION 6351da177e4SLinus Torvalds select DMA_NONCOHERENT 6365e83d430SRalf Baechle select HW_HAS_EISA 637d865bea4SRalf Baechle select I8253 63868de4803SThomas Bogendoerfer select I8259 6391da177e4SLinus Torvalds select IP22_CPU_SCACHE 64067e38cf2SRalf Baechle select IRQ_MIPS_CPU 641aa414dffSRalf Baechle select GENERIC_ISA_DMA_SUPPORT_BROKEN 642e2defae5SThomas Bogendoerfer select SGI_HAS_I8042 643e2defae5SThomas Bogendoerfer select SGI_HAS_INDYDOG 64436e5c21dSThomas Bogendoerfer select SGI_HAS_HAL2 645e2defae5SThomas Bogendoerfer select SGI_HAS_SEEQ 646e2defae5SThomas Bogendoerfer select SGI_HAS_WD93 647e2defae5SThomas Bogendoerfer select SGI_HAS_ZILOG 6481da177e4SLinus Torvalds select SWAP_IO_SPACE 6497cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 6507cf8053bSRalf Baechle select SYS_HAS_CPU_R5000 6512b5e63f6SMartin Michlmayr # 6522b5e63f6SMartin Michlmayr # Disable EARLY_PRINTK for now since it leads to overwritten prom 6532b5e63f6SMartin Michlmayr # memory during early boot on some machines. 6542b5e63f6SMartin Michlmayr # 6552b5e63f6SMartin Michlmayr # See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com 6562b5e63f6SMartin Michlmayr # for a more details discussion 6572b5e63f6SMartin Michlmayr # 6582b5e63f6SMartin Michlmayr # select SYS_HAS_EARLY_PRINTK 659ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 660ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 6615e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 662930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_7 6631da177e4SLinus Torvalds help 6641da177e4SLinus Torvalds This are the SGI Indy, Challenge S and Indigo2, as well as certain 6651da177e4SLinus Torvalds OEM variants like the Tandem CMN B006S. To compile a Linux kernel 6661da177e4SLinus Torvalds that runs on these, say Y here. 6671da177e4SLinus Torvalds 6681da177e4SLinus Torvaldsconfig SGI_IP27 6693fa986faSMartin Michlmayr bool "SGI IP27 (Origin200/2000)" 67054aed4ddSChristoph Hellwig select ARCH_HAS_PHYS_TO_DMA 6710e2794b0SRalf Baechle select FW_ARC 6720e2794b0SRalf Baechle select FW_ARC64 6735e83d430SRalf Baechle select BOOT_ELF64 674e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION 67536a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 6761da177e4SLinus Torvalds select HW_HAS_PCI 677130e2fb7SRalf Baechle select NR_CPUS_DEFAULT_64 6787cf8053bSRalf Baechle select SYS_HAS_CPU_R10000 679ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 6805e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 681d8cb4e11SRalf Baechle select SYS_SUPPORTS_NUMA 6821a5c5de1SRalf Baechle select SYS_SUPPORTS_SMP 683930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_7 6841da177e4SLinus Torvalds help 6851da177e4SLinus Torvalds This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics 6861da177e4SLinus Torvalds workstations. To compile a Linux kernel that runs on these, say Y 6871da177e4SLinus Torvalds here. 6881da177e4SLinus Torvalds 689e2defae5SThomas Bogendoerferconfig SGI_IP28 6907d60717eSKees Cook bool "SGI IP28 (Indigo2 R10k)" 6910e2794b0SRalf Baechle select FW_ARC 6920e2794b0SRalf Baechle select FW_ARC64 6937a407aa5SRalf Baechle select ARCH_MIGHT_HAVE_PC_SERIO 694e2defae5SThomas Bogendoerfer select BOOT_ELF64 695e2defae5SThomas Bogendoerfer select CEVT_R4K 696e2defae5SThomas Bogendoerfer select CSRC_R4K 697e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION 698e2defae5SThomas Bogendoerfer select DMA_NONCOHERENT 699e2defae5SThomas Bogendoerfer select GENERIC_ISA_DMA_SUPPORT_BROKEN 70067e38cf2SRalf Baechle select IRQ_MIPS_CPU 701e2defae5SThomas Bogendoerfer select HW_HAS_EISA 702e2defae5SThomas Bogendoerfer select I8253 703e2defae5SThomas Bogendoerfer select I8259 704e2defae5SThomas Bogendoerfer select SGI_HAS_I8042 705e2defae5SThomas Bogendoerfer select SGI_HAS_INDYDOG 7065b438c44SThomas Bogendoerfer select SGI_HAS_HAL2 707e2defae5SThomas Bogendoerfer select SGI_HAS_SEEQ 708e2defae5SThomas Bogendoerfer select SGI_HAS_WD93 709e2defae5SThomas Bogendoerfer select SGI_HAS_ZILOG 710e2defae5SThomas Bogendoerfer select SWAP_IO_SPACE 711e2defae5SThomas Bogendoerfer select SYS_HAS_CPU_R10000 7122b5e63f6SMartin Michlmayr # 7132b5e63f6SMartin Michlmayr # Disable EARLY_PRINTK for now since it leads to overwritten prom 7142b5e63f6SMartin Michlmayr # memory during early boot on some machines. 7152b5e63f6SMartin Michlmayr # 7162b5e63f6SMartin Michlmayr # See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com 7172b5e63f6SMartin Michlmayr # for a more details discussion 7182b5e63f6SMartin Michlmayr # 7192b5e63f6SMartin Michlmayr # select SYS_HAS_EARLY_PRINTK 720e2defae5SThomas Bogendoerfer select SYS_SUPPORTS_64BIT_KERNEL 721e2defae5SThomas Bogendoerfer select SYS_SUPPORTS_BIG_ENDIAN 722dc24d68dSThomas Bogendoerfer select MIPS_L1_CACHE_SHIFT_7 723e2defae5SThomas Bogendoerfer help 724e2defae5SThomas Bogendoerfer This is the SGI Indigo2 with R10000 processor. To compile a Linux 725e2defae5SThomas Bogendoerfer kernel that runs on these, say Y here. 726e2defae5SThomas Bogendoerfer 7271da177e4SLinus Torvaldsconfig SGI_IP32 728cfd2afc0SRalf Baechle bool "SGI IP32 (O2)" 72903df8229SChristoph Hellwig select ARCH_HAS_PHYS_TO_DMA 7300e2794b0SRalf Baechle select FW_ARC 7310e2794b0SRalf Baechle select FW_ARC32 7321da177e4SLinus Torvalds select BOOT_ELF32 73342f77542SRalf Baechle select CEVT_R4K 734940f6b48SRalf Baechle select CSRC_R4K 7351da177e4SLinus Torvalds select DMA_NONCOHERENT 7361da177e4SLinus Torvalds select HW_HAS_PCI 73767e38cf2SRalf Baechle select IRQ_MIPS_CPU 7381da177e4SLinus Torvalds select R5000_CPU_SCACHE 7391da177e4SLinus Torvalds select RM7000_CPU_SCACHE 7407cf8053bSRalf Baechle select SYS_HAS_CPU_R5000 7417cf8053bSRalf Baechle select SYS_HAS_CPU_R10000 if BROKEN 7427cf8053bSRalf Baechle select SYS_HAS_CPU_RM7000 743dd2f18feSRalf Baechle select SYS_HAS_CPU_NEVADA 744ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 7455e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 7461da177e4SLinus Torvalds help 7471da177e4SLinus Torvalds If you want this kernel to run on SGI O2 workstation, say Y here. 7481da177e4SLinus Torvalds 749ade299d8SYoichi Yuasaconfig SIBYTE_CRHINE 750ade299d8SYoichi Yuasa bool "Sibyte BCM91120C-CRhine" 7515e83d430SRalf Baechle select BOOT_ELF32 7525e83d430SRalf Baechle select SIBYTE_BCM1120 7535e83d430SRalf Baechle select SWAP_IO_SPACE 7547cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 7555e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 7565e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 7575e83d430SRalf Baechle 758ade299d8SYoichi Yuasaconfig SIBYTE_CARMEL 759ade299d8SYoichi Yuasa bool "Sibyte BCM91120x-Carmel" 7605e83d430SRalf Baechle select BOOT_ELF32 7615e83d430SRalf Baechle select SIBYTE_BCM1120 7625e83d430SRalf Baechle select SWAP_IO_SPACE 7637cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 7645e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 7655e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 7665e83d430SRalf Baechle 7675e83d430SRalf Baechleconfig SIBYTE_CRHONE 7683fa986faSMartin Michlmayr bool "Sibyte BCM91125C-CRhone" 7695e83d430SRalf Baechle select BOOT_ELF32 7705e83d430SRalf Baechle select SIBYTE_BCM1125 7715e83d430SRalf Baechle select SWAP_IO_SPACE 7727cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 7735e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 7745e83d430SRalf Baechle select SYS_SUPPORTS_HIGHMEM 7755e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 7765e83d430SRalf Baechle 777ade299d8SYoichi Yuasaconfig SIBYTE_RHONE 778ade299d8SYoichi Yuasa bool "Sibyte BCM91125E-Rhone" 779ade299d8SYoichi Yuasa select BOOT_ELF32 780ade299d8SYoichi Yuasa select SIBYTE_BCM1125H 781ade299d8SYoichi Yuasa select SWAP_IO_SPACE 782ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 783ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 784ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 785ade299d8SYoichi Yuasa 786ade299d8SYoichi Yuasaconfig SIBYTE_SWARM 787ade299d8SYoichi Yuasa bool "Sibyte BCM91250A-SWARM" 788ade299d8SYoichi Yuasa select BOOT_ELF32 789fcf3ca4cSSebastian Andrzej Siewior select HAVE_PATA_PLATFORM 790ade299d8SYoichi Yuasa select SIBYTE_SB1250 791ade299d8SYoichi Yuasa select SWAP_IO_SPACE 792ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 793ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 794ade299d8SYoichi Yuasa select SYS_SUPPORTS_HIGHMEM 795ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 796cce335aeSRalf Baechle select ZONE_DMA32 if 64BIT 797ade299d8SYoichi Yuasa 798ade299d8SYoichi Yuasaconfig SIBYTE_LITTLESUR 799ade299d8SYoichi Yuasa bool "Sibyte BCM91250C2-LittleSur" 800ade299d8SYoichi Yuasa select BOOT_ELF32 801fcf3ca4cSSebastian Andrzej Siewior select HAVE_PATA_PLATFORM 802ade299d8SYoichi Yuasa select SIBYTE_SB1250 803ade299d8SYoichi Yuasa select SWAP_IO_SPACE 804ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 805ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 806ade299d8SYoichi Yuasa select SYS_SUPPORTS_HIGHMEM 807ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 808ade299d8SYoichi Yuasa 809ade299d8SYoichi Yuasaconfig SIBYTE_SENTOSA 810ade299d8SYoichi Yuasa bool "Sibyte BCM91250E-Sentosa" 811ade299d8SYoichi Yuasa select BOOT_ELF32 812ade299d8SYoichi Yuasa select SIBYTE_SB1250 813ade299d8SYoichi Yuasa select SWAP_IO_SPACE 814ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 815ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 816ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 817ade299d8SYoichi Yuasa 818ade299d8SYoichi Yuasaconfig SIBYTE_BIGSUR 819ade299d8SYoichi Yuasa bool "Sibyte BCM91480B-BigSur" 820ade299d8SYoichi Yuasa select BOOT_ELF32 821ade299d8SYoichi Yuasa select NR_CPUS_DEFAULT_4 822ade299d8SYoichi Yuasa select SIBYTE_BCM1x80 823ade299d8SYoichi Yuasa select SWAP_IO_SPACE 824ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 825ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 826651194f8SRalf Baechle select SYS_SUPPORTS_HIGHMEM 827ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 828cce335aeSRalf Baechle select ZONE_DMA32 if 64BIT 829ade299d8SYoichi Yuasa 83014b36af4SThomas Bogendoerferconfig SNI_RM 83114b36af4SThomas Bogendoerfer bool "SNI RM200/300/400" 8320e2794b0SRalf Baechle select FW_ARC if CPU_LITTLE_ENDIAN 8330e2794b0SRalf Baechle select FW_ARC32 if CPU_LITTLE_ENDIAN 834aaa9fad3SPaul Bolle select FW_SNIPROM if CPU_BIG_ENDIAN 8355e83d430SRalf Baechle select ARCH_MAY_HAVE_PC_FDC 836a211a082SRalf Baechle select ARCH_MIGHT_HAVE_PC_PARPORT 8377a407aa5SRalf Baechle select ARCH_MIGHT_HAVE_PC_SERIO 8385e83d430SRalf Baechle select BOOT_ELF32 83942f77542SRalf Baechle select CEVT_R4K 840940f6b48SRalf Baechle select CSRC_R4K 841e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN 8425e83d430SRalf Baechle select DMA_NONCOHERENT 8435e83d430SRalf Baechle select GENERIC_ISA_DMA 8448a118c38SRalf Baechle select HAVE_PCSPKR_PLATFORM 8455e83d430SRalf Baechle select HW_HAS_EISA 8465e83d430SRalf Baechle select HW_HAS_PCI 84767e38cf2SRalf Baechle select IRQ_MIPS_CPU 848d865bea4SRalf Baechle select I8253 8495e83d430SRalf Baechle select I8259 8505e83d430SRalf Baechle select ISA 8514a0312fcSThomas Bogendoerfer select SWAP_IO_SPACE if CPU_BIG_ENDIAN 8527cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 8534a0312fcSThomas Bogendoerfer select SYS_HAS_CPU_R5000 854c066a32aSThomas Bogendoerfer select SYS_HAS_CPU_R10000 8554a0312fcSThomas Bogendoerfer select R5000_CPU_SCACHE 85636a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 857ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 8587d60717eSKees Cook select SYS_SUPPORTS_64BIT_KERNEL 8594a0312fcSThomas Bogendoerfer select SYS_SUPPORTS_BIG_ENDIAN 8605e83d430SRalf Baechle select SYS_SUPPORTS_HIGHMEM 8615e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 8621da177e4SLinus Torvalds help 86314b36af4SThomas Bogendoerfer The SNI RM200/300/400 are MIPS-based machines manufactured by 86414b36af4SThomas Bogendoerfer Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid 8655e83d430SRalf Baechle Technology and now in turn merged with Fujitsu. Say Y here to 8665e83d430SRalf Baechle support this machine type. 8671da177e4SLinus Torvalds 868edcaf1a6SAtsushi Nemotoconfig MACH_TX39XX 869edcaf1a6SAtsushi Nemoto bool "Toshiba TX39 series based machines" 8705e83d430SRalf Baechle 871edcaf1a6SAtsushi Nemotoconfig MACH_TX49XX 872edcaf1a6SAtsushi Nemoto bool "Toshiba TX49 series based machines" 87323fbee9dSRalf Baechle 87473b4390fSRalf Baechleconfig MIKROTIK_RB532 87573b4390fSRalf Baechle bool "Mikrotik RB532 boards" 87673b4390fSRalf Baechle select CEVT_R4K 87773b4390fSRalf Baechle select CSRC_R4K 87873b4390fSRalf Baechle select DMA_NONCOHERENT 87973b4390fSRalf Baechle select HW_HAS_PCI 88067e38cf2SRalf Baechle select IRQ_MIPS_CPU 88173b4390fSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 88273b4390fSRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 88373b4390fSRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 88473b4390fSRalf Baechle select SWAP_IO_SPACE 88573b4390fSRalf Baechle select BOOT_RAW 886d30a2b47SLinus Walleij select GPIOLIB 887930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_4 88873b4390fSRalf Baechle help 88973b4390fSRalf Baechle Support the Mikrotik(tm) RouterBoard 532 series, 89073b4390fSRalf Baechle based on the IDT RC32434 SoC. 89173b4390fSRalf Baechle 8929ddebc46SDavid Daneyconfig CAVIUM_OCTEON_SOC 8939ddebc46SDavid Daney bool "Cavium Networks Octeon SoC based boards" 894a86c7f72SDavid Daney select CEVT_R4K 895ea8c64acSChristoph Hellwig select ARCH_HAS_PHYS_TO_DMA 896491ec155SAlexander Sverdlin select HAS_RAPIDIO 897d4a451d5SChristoph Hellwig select PHYS_ADDR_T_64BIT 898a86c7f72SDavid Daney select SYS_SUPPORTS_64BIT_KERNEL 899a86c7f72SDavid Daney select SYS_SUPPORTS_BIG_ENDIAN 900f65aad41SRalf Baechle select EDAC_SUPPORT 901b01aec9bSBorislav Petkov select EDAC_ATOMIC_SCRUB 90273569d87SDavid Daney select SYS_SUPPORTS_LITTLE_ENDIAN 90373569d87SDavid Daney select SYS_SUPPORTS_HOTPLUG_CPU if CPU_BIG_ENDIAN 904a86c7f72SDavid Daney select SYS_HAS_EARLY_PRINTK 9055e683389SDavid Daney select SYS_HAS_CPU_CAVIUM_OCTEON 906e8635b48SDavid Daney select HW_HAS_PCI 907f00e001eSDavid Daney select ZONE_DMA32 908465aaed0SDavid Daney select HOLES_IN_ZONE 909d30a2b47SLinus Walleij select GPIOLIB 9106e511163SDavid Daney select LIBFDT 9116e511163SDavid Daney select USE_OF 9126e511163SDavid Daney select ARCH_SPARSEMEM_ENABLE 9136e511163SDavid Daney select SYS_SUPPORTS_SMP 9147820b84bSDavid Daney select NR_CPUS_DEFAULT_64 9157820b84bSDavid Daney select MIPS_NR_CPU_NR_MAP_1024 916e326479fSAndrew Bresticker select BUILTIN_DTB 9178c1e6b14SDavid Daney select MTD_COMPLEX_MAPPINGS 91809230cbcSChristoph Hellwig select SWIOTLB 9193ff72be4SSteven J. Hill select SYS_SUPPORTS_RELOCATABLE 920a86c7f72SDavid Daney help 921a86c7f72SDavid Daney This option supports all of the Octeon reference boards from Cavium 922a86c7f72SDavid Daney Networks. It builds a kernel that dynamically determines the Octeon 923a86c7f72SDavid Daney CPU type and supports all known board reference implementations. 924a86c7f72SDavid Daney Some of the supported boards are: 925a86c7f72SDavid Daney EBT3000 926a86c7f72SDavid Daney EBH3000 927a86c7f72SDavid Daney EBH3100 928a86c7f72SDavid Daney Thunder 929a86c7f72SDavid Daney Kodama 930a86c7f72SDavid Daney Hikari 931a86c7f72SDavid Daney Say Y here for most Octeon reference boards. 932a86c7f72SDavid Daney 9337f058e85SJayachandran Cconfig NLM_XLR_BOARD 9347f058e85SJayachandran C bool "Netlogic XLR/XLS based systems" 9357f058e85SJayachandran C select BOOT_ELF32 9367f058e85SJayachandran C select NLM_COMMON 9377f058e85SJayachandran C select SYS_HAS_CPU_XLR 9387f058e85SJayachandran C select SYS_SUPPORTS_SMP 9397f058e85SJayachandran C select HW_HAS_PCI 9407f058e85SJayachandran C select SWAP_IO_SPACE 9417f058e85SJayachandran C select SYS_SUPPORTS_32BIT_KERNEL 9427f058e85SJayachandran C select SYS_SUPPORTS_64BIT_KERNEL 943d4a451d5SChristoph Hellwig select PHYS_ADDR_T_64BIT 9447f058e85SJayachandran C select SYS_SUPPORTS_BIG_ENDIAN 9457f058e85SJayachandran C select SYS_SUPPORTS_HIGHMEM 9467f058e85SJayachandran C select NR_CPUS_DEFAULT_32 9477f058e85SJayachandran C select CEVT_R4K 9487f058e85SJayachandran C select CSRC_R4K 94967e38cf2SRalf Baechle select IRQ_MIPS_CPU 950b97215fdSJayachandran C select ZONE_DMA32 if 64BIT 9517f058e85SJayachandran C select SYNC_R4K 9527f058e85SJayachandran C select SYS_HAS_EARLY_PRINTK 9538f0b0430SJayachandran C select SYS_SUPPORTS_ZBOOT 9548f0b0430SJayachandran C select SYS_SUPPORTS_ZBOOT_UART16550 9557f058e85SJayachandran C help 9567f058e85SJayachandran C Support for systems based on Netlogic XLR and XLS processors. 9577f058e85SJayachandran C Say Y here if you have a XLR or XLS based board. 9587f058e85SJayachandran C 9591c773ea4SJayachandran Cconfig NLM_XLP_BOARD 9601c773ea4SJayachandran C bool "Netlogic XLP based systems" 9611c773ea4SJayachandran C select BOOT_ELF32 9621c773ea4SJayachandran C select NLM_COMMON 9631c773ea4SJayachandran C select SYS_HAS_CPU_XLP 9641c773ea4SJayachandran C select SYS_SUPPORTS_SMP 9651c773ea4SJayachandran C select HW_HAS_PCI 9661c773ea4SJayachandran C select SYS_SUPPORTS_32BIT_KERNEL 9671c773ea4SJayachandran C select SYS_SUPPORTS_64BIT_KERNEL 968d4a451d5SChristoph Hellwig select PHYS_ADDR_T_64BIT 969d30a2b47SLinus Walleij select GPIOLIB 9701c773ea4SJayachandran C select SYS_SUPPORTS_BIG_ENDIAN 9711c773ea4SJayachandran C select SYS_SUPPORTS_LITTLE_ENDIAN 9721c773ea4SJayachandran C select SYS_SUPPORTS_HIGHMEM 9731c773ea4SJayachandran C select NR_CPUS_DEFAULT_32 9741c773ea4SJayachandran C select CEVT_R4K 9751c773ea4SJayachandran C select CSRC_R4K 97667e38cf2SRalf Baechle select IRQ_MIPS_CPU 977b97215fdSJayachandran C select ZONE_DMA32 if 64BIT 9781c773ea4SJayachandran C select SYNC_R4K 9791c773ea4SJayachandran C select SYS_HAS_EARLY_PRINTK 9802f6528e1SJayachandran C select USE_OF 9818f0b0430SJayachandran C select SYS_SUPPORTS_ZBOOT 9828f0b0430SJayachandran C select SYS_SUPPORTS_ZBOOT_UART16550 9831c773ea4SJayachandran C help 9841c773ea4SJayachandran C This board is based on Netlogic XLP Processor. 9851c773ea4SJayachandran C Say Y here if you have a XLP based board. 9861c773ea4SJayachandran C 9879bc463beSDavid Daneyconfig MIPS_PARAVIRT 9889bc463beSDavid Daney bool "Para-Virtualized guest system" 9899bc463beSDavid Daney select CEVT_R4K 9909bc463beSDavid Daney select CSRC_R4K 9919bc463beSDavid Daney select SYS_SUPPORTS_64BIT_KERNEL 9929bc463beSDavid Daney select SYS_SUPPORTS_32BIT_KERNEL 9939bc463beSDavid Daney select SYS_SUPPORTS_BIG_ENDIAN 9949bc463beSDavid Daney select SYS_SUPPORTS_SMP 9959bc463beSDavid Daney select NR_CPUS_DEFAULT_4 9969bc463beSDavid Daney select SYS_HAS_EARLY_PRINTK 9979bc463beSDavid Daney select SYS_HAS_CPU_MIPS32_R2 9989bc463beSDavid Daney select SYS_HAS_CPU_MIPS64_R2 9999bc463beSDavid Daney select SYS_HAS_CPU_CAVIUM_OCTEON 10009bc463beSDavid Daney select HW_HAS_PCI 10019bc463beSDavid Daney select SWAP_IO_SPACE 10029bc463beSDavid Daney help 10039bc463beSDavid Daney This option supports guest running under ???? 10049bc463beSDavid Daney 10051da177e4SLinus Torvaldsendchoice 10061da177e4SLinus Torvalds 1007e8c7c482SRalf Baechlesource "arch/mips/alchemy/Kconfig" 10083b12308fSSergey Ryazanovsource "arch/mips/ath25/Kconfig" 1009d4a67d9dSGabor Juhossource "arch/mips/ath79/Kconfig" 1010a656ffcbSHauke Mehrtenssource "arch/mips/bcm47xx/Kconfig" 1011e7300d04SMaxime Bizonsource "arch/mips/bcm63xx/Kconfig" 10128945e37eSKevin Cernekeesource "arch/mips/bmips/Kconfig" 1013eed0eabdSPaul Burtonsource "arch/mips/generic/Kconfig" 10145e83d430SRalf Baechlesource "arch/mips/jazz/Kconfig" 10155ebabe59SLars-Peter Clausensource "arch/mips/jz4740/Kconfig" 10168ec6d935SJohn Crispinsource "arch/mips/lantiq/Kconfig" 10171f21d2bdSBrian Murphysource "arch/mips/lasat/Kconfig" 10182572f00dSJoshua Hendersonsource "arch/mips/pic32/Kconfig" 1019af0cfb2cSEzequiel Garciasource "arch/mips/pistachio/Kconfig" 10200f3a05cbSRalf Baechlesource "arch/mips/pmcs-msp71xx/Kconfig" 1021ae2b5bb6SJohn Crispinsource "arch/mips/ralink/Kconfig" 102229c48699SRalf Baechlesource "arch/mips/sgi-ip27/Kconfig" 102338b18f72SRalf Baechlesource "arch/mips/sibyte/Kconfig" 102422b1d707SAtsushi Nemotosource "arch/mips/txx9/Kconfig" 10255e83d430SRalf Baechlesource "arch/mips/vr41xx/Kconfig" 1026a86c7f72SDavid Daneysource "arch/mips/cavium-octeon/Kconfig" 102730ad29bbSHuacai Chensource "arch/mips/loongson32/Kconfig" 102830ad29bbSHuacai Chensource "arch/mips/loongson64/Kconfig" 10297f058e85SJayachandran Csource "arch/mips/netlogic/Kconfig" 1030ae6e7e63SDavid Daneysource "arch/mips/paravirt/Kconfig" 103138b18f72SRalf Baechle 10325e83d430SRalf Baechleendmenu 10335e83d430SRalf Baechle 10341da177e4SLinus Torvaldsconfig RWSEM_GENERIC_SPINLOCK 10351da177e4SLinus Torvalds bool 10361da177e4SLinus Torvalds default y 10371da177e4SLinus Torvalds 10381da177e4SLinus Torvaldsconfig RWSEM_XCHGADD_ALGORITHM 10391da177e4SLinus Torvalds bool 10401da177e4SLinus Torvalds 10413c9ee7efSAkinobu Mitaconfig GENERIC_HWEIGHT 10423c9ee7efSAkinobu Mita bool 10433c9ee7efSAkinobu Mita default y 10443c9ee7efSAkinobu Mita 10451da177e4SLinus Torvaldsconfig GENERIC_CALIBRATE_DELAY 10461da177e4SLinus Torvalds bool 10471da177e4SLinus Torvalds default y 10481da177e4SLinus Torvalds 1049ae1e9130SIngo Molnarconfig SCHED_OMIT_FRAME_POINTER 10501cc89038SAtsushi Nemoto bool 10511cc89038SAtsushi Nemoto default y 10521cc89038SAtsushi Nemoto 10531da177e4SLinus Torvalds# 10541da177e4SLinus Torvalds# Select some configuration options automatically based on user selections. 10551da177e4SLinus Torvalds# 10560e2794b0SRalf Baechleconfig FW_ARC 10571da177e4SLinus Torvalds bool 10581da177e4SLinus Torvalds 105961ed242dSRalf Baechleconfig ARCH_MAY_HAVE_PC_FDC 106061ed242dSRalf Baechle bool 106161ed242dSRalf Baechle 10629267a30dSMarc St-Jeanconfig BOOT_RAW 10639267a30dSMarc St-Jean bool 10649267a30dSMarc St-Jean 1065217dd11eSRalf Baechleconfig CEVT_BCM1480 1066217dd11eSRalf Baechle bool 1067217dd11eSRalf Baechle 10686457d9fcSYoichi Yuasaconfig CEVT_DS1287 10696457d9fcSYoichi Yuasa bool 10706457d9fcSYoichi Yuasa 10711097c6acSYoichi Yuasaconfig CEVT_GT641XX 10721097c6acSYoichi Yuasa bool 10731097c6acSYoichi Yuasa 107442f77542SRalf Baechleconfig CEVT_R4K 107542f77542SRalf Baechle bool 107642f77542SRalf Baechle 1077217dd11eSRalf Baechleconfig CEVT_SB1250 1078217dd11eSRalf Baechle bool 1079217dd11eSRalf Baechle 1080229f773eSAtsushi Nemotoconfig CEVT_TXX9 1081229f773eSAtsushi Nemoto bool 1082229f773eSAtsushi Nemoto 1083217dd11eSRalf Baechleconfig CSRC_BCM1480 1084217dd11eSRalf Baechle bool 1085217dd11eSRalf Baechle 10864247417dSYoichi Yuasaconfig CSRC_IOASIC 10874247417dSYoichi Yuasa bool 10884247417dSYoichi Yuasa 1089940f6b48SRalf Baechleconfig CSRC_R4K 1090940f6b48SRalf Baechle bool 1091940f6b48SRalf Baechle 1092217dd11eSRalf Baechleconfig CSRC_SB1250 1093217dd11eSRalf Baechle bool 1094217dd11eSRalf Baechle 1095a7f4df4eSAlex Smithconfig MIPS_CLOCK_VSYSCALL 1096a7f4df4eSAlex Smith def_bool CSRC_R4K || CLKSRC_MIPS_GIC 1097a7f4df4eSAlex Smith 1098a9aec7feSAtsushi Nemotoconfig GPIO_TXX9 1099d30a2b47SLinus Walleij select GPIOLIB 1100a9aec7feSAtsushi Nemoto bool 1101a9aec7feSAtsushi Nemoto 11020e2794b0SRalf Baechleconfig FW_CFE 1103df78b5c8SAurelien Jarno bool 1104df78b5c8SAurelien Jarno 110540e084a5SRalf Baechleconfig ARCH_SUPPORTS_UPROBES 110640e084a5SRalf Baechle bool 110740e084a5SRalf Baechle 1108885014bcSFelix Fietkauconfig DMA_MAYBE_COHERENT 1109f3ecc0ffSChristoph Hellwig select ARCH_HAS_DMA_COHERENCE_H 1110885014bcSFelix Fietkau select DMA_NONCOHERENT 1111885014bcSFelix Fietkau bool 1112885014bcSFelix Fietkau 111320d33064SPaul Burtonconfig DMA_PERDEV_COHERENT 111420d33064SPaul Burton bool 11155748e1b3SChristoph Hellwig select DMA_NONCOHERENT 111620d33064SPaul Burton 11171da177e4SLinus Torvaldsconfig DMA_NONCOHERENT 11181da177e4SLinus Torvalds bool 111958b04406SChristoph Hellwig select ARCH_HAS_DMA_MMAP_PGPROT 1120f8c55dc6SChristoph Hellwig select ARCH_HAS_SYNC_DMA_FOR_DEVICE 1121f8c55dc6SChristoph Hellwig select ARCH_HAS_SYNC_DMA_FOR_CPU 1122e1e02b32SFUJITA Tomonori select NEED_DMA_MAP_STATE 112358b04406SChristoph Hellwig select ARCH_HAS_DMA_COHERENT_TO_PFN 1124f8c55dc6SChristoph Hellwig select DMA_NONCOHERENT_CACHE_SYNC 11254ce588cdSRalf Baechle 112636a88530SRalf Baechleconfig SYS_HAS_EARLY_PRINTK 11271da177e4SLinus Torvalds bool 11281da177e4SLinus Torvalds 11291b2bc75cSRalf Baechleconfig SYS_SUPPORTS_HOTPLUG_CPU 1130dbb74540SRalf Baechle bool 1131dbb74540SRalf Baechle 11321da177e4SLinus Torvaldsconfig MIPS_BONITO64 11331da177e4SLinus Torvalds bool 11341da177e4SLinus Torvalds 11351da177e4SLinus Torvaldsconfig MIPS_MSC 11361da177e4SLinus Torvalds bool 11371da177e4SLinus Torvalds 11381f21d2bdSBrian Murphyconfig MIPS_NILE4 11391f21d2bdSBrian Murphy bool 11401f21d2bdSBrian Murphy 114139b8d525SRalf Baechleconfig SYNC_R4K 114239b8d525SRalf Baechle bool 114339b8d525SRalf Baechle 1144487d70d0SGabor Juhosconfig MIPS_MACHINE 1145487d70d0SGabor Juhos def_bool n 1146487d70d0SGabor Juhos 1147ce816fa8SUwe Kleine-Königconfig NO_IOPORT_MAP 1148d388d685SMaciej W. Rozycki def_bool n 1149d388d685SMaciej W. Rozycki 11504e0748f5SMarkos Chandrasconfig GENERIC_CSUM 11514e0748f5SMarkos Chandras bool 1152932afdeeSYasha Cherikovsky default y if !CPU_HAS_LOAD_STORE_LR 11534e0748f5SMarkos Chandras 11548313da30SRalf Baechleconfig GENERIC_ISA_DMA 11558313da30SRalf Baechle bool 11568313da30SRalf Baechle select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n 1157a35bee8aSNamhyung Kim select ISA_DMA_API 11588313da30SRalf Baechle 1159aa414dffSRalf Baechleconfig GENERIC_ISA_DMA_SUPPORT_BROKEN 1160aa414dffSRalf Baechle bool 11618313da30SRalf Baechle select GENERIC_ISA_DMA 1162aa414dffSRalf Baechle 1163a35bee8aSNamhyung Kimconfig ISA_DMA_API 1164a35bee8aSNamhyung Kim bool 1165a35bee8aSNamhyung Kim 1166465aaed0SDavid Daneyconfig HOLES_IN_ZONE 1167465aaed0SDavid Daney bool 1168465aaed0SDavid Daney 11698c530ea3SMatt Redfearnconfig SYS_SUPPORTS_RELOCATABLE 11708c530ea3SMatt Redfearn bool 11718c530ea3SMatt Redfearn help 11728c530ea3SMatt Redfearn Selected if the platform supports relocating the kernel. 11738c530ea3SMatt Redfearn The platform must provide plat_get_fdt() if it selects CONFIG_USE_OF 11748c530ea3SMatt Redfearn to allow access to command line and entropy sources. 11758c530ea3SMatt Redfearn 1176f381bf6dSDavid Daneyconfig MIPS_CBPF_JIT 1177f381bf6dSDavid Daney def_bool y 1178f381bf6dSDavid Daney depends on BPF_JIT && HAVE_CBPF_JIT 1179f381bf6dSDavid Daney 1180f381bf6dSDavid Daneyconfig MIPS_EBPF_JIT 1181f381bf6dSDavid Daney def_bool y 1182f381bf6dSDavid Daney depends on BPF_JIT && HAVE_EBPF_JIT 1183f381bf6dSDavid Daney 1184f381bf6dSDavid Daney 11855e83d430SRalf Baechle# 11866b2aac42SMasanari Iida# Endianness selection. Sufficiently obscure so many users don't know what to 11875e83d430SRalf Baechle# answer,so we try hard to limit the available choices. Also the use of a 11885e83d430SRalf Baechle# choice statement should be more obvious to the user. 11895e83d430SRalf Baechle# 11905e83d430SRalf Baechlechoice 11916b2aac42SMasanari Iida prompt "Endianness selection" 11921da177e4SLinus Torvalds help 11931da177e4SLinus Torvalds Some MIPS machines can be configured for either little or big endian 11945e83d430SRalf Baechle byte order. These modes require different kernels and a different 11953cb2fcccSMatt LaPlante Linux distribution. In general there is one preferred byteorder for a 11965e83d430SRalf Baechle particular system but some systems are just as commonly used in the 11973dde6ad8SDavid Sterba one or the other endianness. 11985e83d430SRalf Baechle 11995e83d430SRalf Baechleconfig CPU_BIG_ENDIAN 12005e83d430SRalf Baechle bool "Big endian" 12015e83d430SRalf Baechle depends on SYS_SUPPORTS_BIG_ENDIAN 12025e83d430SRalf Baechle 12035e83d430SRalf Baechleconfig CPU_LITTLE_ENDIAN 12045e83d430SRalf Baechle bool "Little endian" 12055e83d430SRalf Baechle depends on SYS_SUPPORTS_LITTLE_ENDIAN 12065e83d430SRalf Baechle 12075e83d430SRalf Baechleendchoice 12085e83d430SRalf Baechle 120922b0763aSDavid Daneyconfig EXPORT_UASM 121022b0763aSDavid Daney bool 121122b0763aSDavid Daney 12122116245eSRalf Baechleconfig SYS_SUPPORTS_APM_EMULATION 12132116245eSRalf Baechle bool 12142116245eSRalf Baechle 12155e83d430SRalf Baechleconfig SYS_SUPPORTS_BIG_ENDIAN 12165e83d430SRalf Baechle bool 12175e83d430SRalf Baechle 12185e83d430SRalf Baechleconfig SYS_SUPPORTS_LITTLE_ENDIAN 12195e83d430SRalf Baechle bool 12201da177e4SLinus Torvalds 12219cffd154SDavid Daneyconfig SYS_SUPPORTS_HUGETLBFS 12229cffd154SDavid Daney bool 12239cffd154SDavid Daney depends on CPU_SUPPORTS_HUGEPAGES && 64BIT 12249cffd154SDavid Daney default y 12259cffd154SDavid Daney 1226aa1762f4SDavid Daneyconfig MIPS_HUGE_TLB_SUPPORT 1227aa1762f4SDavid Daney def_bool HUGETLB_PAGE || TRANSPARENT_HUGEPAGE 1228aa1762f4SDavid Daney 12291da177e4SLinus Torvaldsconfig IRQ_CPU_RM7K 12301da177e4SLinus Torvalds bool 12311da177e4SLinus Torvalds 12329267a30dSMarc St-Jeanconfig IRQ_MSP_SLP 12339267a30dSMarc St-Jean bool 12349267a30dSMarc St-Jean 12359267a30dSMarc St-Jeanconfig IRQ_MSP_CIC 12369267a30dSMarc St-Jean bool 12379267a30dSMarc St-Jean 12388420fd00SAtsushi Nemotoconfig IRQ_TXX9 12398420fd00SAtsushi Nemoto bool 12408420fd00SAtsushi Nemoto 1241d5ab1a69SYoichi Yuasaconfig IRQ_GT641XX 1242d5ab1a69SYoichi Yuasa bool 1243d5ab1a69SYoichi Yuasa 1244252161ecSYoichi Yuasaconfig PCI_GT64XXX_PCI0 12451da177e4SLinus Torvalds bool 12461da177e4SLinus Torvalds 12479267a30dSMarc St-Jeanconfig NO_EXCEPT_FILL 12489267a30dSMarc St-Jean bool 12499267a30dSMarc St-Jean 1250a83860c2SRalf Baechleconfig SOC_EMMA2RH 1251a83860c2SRalf Baechle bool 1252a83860c2SRalf Baechle select CEVT_R4K 1253a83860c2SRalf Baechle select CSRC_R4K 1254a83860c2SRalf Baechle select DMA_NONCOHERENT 125567e38cf2SRalf Baechle select IRQ_MIPS_CPU 1256a83860c2SRalf Baechle select SWAP_IO_SPACE 1257a83860c2SRalf Baechle select SYS_HAS_CPU_R5500 1258a83860c2SRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 1259a83860c2SRalf Baechle select SYS_SUPPORTS_64BIT_KERNEL 1260a83860c2SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 1261a83860c2SRalf Baechle 1262edb6310aSDaniel Lairdconfig SOC_PNX833X 1263edb6310aSDaniel Laird bool 1264edb6310aSDaniel Laird select CEVT_R4K 1265edb6310aSDaniel Laird select CSRC_R4K 126667e38cf2SRalf Baechle select IRQ_MIPS_CPU 1267edb6310aSDaniel Laird select DMA_NONCOHERENT 1268edb6310aSDaniel Laird select SYS_HAS_CPU_MIPS32_R2 1269edb6310aSDaniel Laird select SYS_SUPPORTS_32BIT_KERNEL 1270edb6310aSDaniel Laird select SYS_SUPPORTS_LITTLE_ENDIAN 1271edb6310aSDaniel Laird select SYS_SUPPORTS_BIG_ENDIAN 1272377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 1273edb6310aSDaniel Laird select CPU_MIPSR2_IRQ_VI 1274edb6310aSDaniel Laird 1275edb6310aSDaniel Lairdconfig SOC_PNX8335 1276edb6310aSDaniel Laird bool 1277edb6310aSDaniel Laird select SOC_PNX833X 1278edb6310aSDaniel Laird 1279a7e07b1aSMarkos Chandrasconfig MIPS_SPRAM 1280a7e07b1aSMarkos Chandras bool 1281a7e07b1aSMarkos Chandras 12821da177e4SLinus Torvaldsconfig SWAP_IO_SPACE 12831da177e4SLinus Torvalds bool 12841da177e4SLinus Torvalds 1285e2defae5SThomas Bogendoerferconfig SGI_HAS_INDYDOG 1286e2defae5SThomas Bogendoerfer bool 1287e2defae5SThomas Bogendoerfer 12885b438c44SThomas Bogendoerferconfig SGI_HAS_HAL2 12895b438c44SThomas Bogendoerfer bool 12905b438c44SThomas Bogendoerfer 1291e2defae5SThomas Bogendoerferconfig SGI_HAS_SEEQ 1292e2defae5SThomas Bogendoerfer bool 1293e2defae5SThomas Bogendoerfer 1294e2defae5SThomas Bogendoerferconfig SGI_HAS_WD93 1295e2defae5SThomas Bogendoerfer bool 1296e2defae5SThomas Bogendoerfer 1297e2defae5SThomas Bogendoerferconfig SGI_HAS_ZILOG 1298e2defae5SThomas Bogendoerfer bool 1299e2defae5SThomas Bogendoerfer 1300e2defae5SThomas Bogendoerferconfig SGI_HAS_I8042 1301e2defae5SThomas Bogendoerfer bool 1302e2defae5SThomas Bogendoerfer 1303e2defae5SThomas Bogendoerferconfig DEFAULT_SGI_PARTITION 1304e2defae5SThomas Bogendoerfer bool 1305e2defae5SThomas Bogendoerfer 13060e2794b0SRalf Baechleconfig FW_ARC32 13075e83d430SRalf Baechle bool 13085e83d430SRalf Baechle 1309aaa9fad3SPaul Bolleconfig FW_SNIPROM 1310231a35d3SThomas Bogendoerfer bool 1311231a35d3SThomas Bogendoerfer 13121da177e4SLinus Torvaldsconfig BOOT_ELF32 13131da177e4SLinus Torvalds bool 13141da177e4SLinus Torvalds 1315930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_4 1316930beb5aSFlorian Fainelli bool 1317930beb5aSFlorian Fainelli 1318930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_5 1319930beb5aSFlorian Fainelli bool 1320930beb5aSFlorian Fainelli 1321930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_6 1322930beb5aSFlorian Fainelli bool 1323930beb5aSFlorian Fainelli 1324930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_7 1325930beb5aSFlorian Fainelli bool 1326930beb5aSFlorian Fainelli 13271da177e4SLinus Torvaldsconfig MIPS_L1_CACHE_SHIFT 13281da177e4SLinus Torvalds int 1329a4c0201eSFlorian Fainelli default "7" if MIPS_L1_CACHE_SHIFT_7 13305432eeb6SKevin Cernekee default "6" if MIPS_L1_CACHE_SHIFT_6 13315432eeb6SKevin Cernekee default "5" if MIPS_L1_CACHE_SHIFT_5 13325432eeb6SKevin Cernekee default "4" if MIPS_L1_CACHE_SHIFT_4 13331da177e4SLinus Torvalds default "5" 13341da177e4SLinus Torvalds 13351da177e4SLinus Torvaldsconfig HAVE_STD_PC_SERIAL_PORT 13361da177e4SLinus Torvalds bool 13371da177e4SLinus Torvalds 13381da177e4SLinus Torvaldsconfig ARC_CONSOLE 13391da177e4SLinus Torvalds bool "ARC console support" 1340e2defae5SThomas Bogendoerfer depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN) 13411da177e4SLinus Torvalds 13421da177e4SLinus Torvaldsconfig ARC_MEMORY 13431da177e4SLinus Torvalds bool 134414b36af4SThomas Bogendoerfer depends on MACH_JAZZ || SNI_RM || SGI_IP32 13451da177e4SLinus Torvalds default y 13461da177e4SLinus Torvalds 13471da177e4SLinus Torvaldsconfig ARC_PROMLIB 13481da177e4SLinus Torvalds bool 1349e2defae5SThomas Bogendoerfer depends on MACH_JAZZ || SNI_RM || SGI_IP22 || SGI_IP28 || SGI_IP32 13501da177e4SLinus Torvalds default y 13511da177e4SLinus Torvalds 13520e2794b0SRalf Baechleconfig FW_ARC64 13531da177e4SLinus Torvalds bool 13541da177e4SLinus Torvalds 13551da177e4SLinus Torvaldsconfig BOOT_ELF64 13561da177e4SLinus Torvalds bool 13571da177e4SLinus Torvalds 13581da177e4SLinus Torvaldsmenu "CPU selection" 13591da177e4SLinus Torvalds 13601da177e4SLinus Torvaldschoice 13611da177e4SLinus Torvalds prompt "CPU type" 13621da177e4SLinus Torvalds default CPU_R4X00 13631da177e4SLinus Torvalds 13640e476d91SHuacai Chenconfig CPU_LOONGSON3 13650e476d91SHuacai Chen bool "Loongson 3 CPU" 13660e476d91SHuacai Chen depends on SYS_HAS_CPU_LOONGSON3 1367d3bc81beSChristoph Hellwig select ARCH_HAS_PHYS_TO_DMA 13680e476d91SHuacai Chen select CPU_SUPPORTS_64BIT_KERNEL 13690e476d91SHuacai Chen select CPU_SUPPORTS_HIGHMEM 13700e476d91SHuacai Chen select CPU_SUPPORTS_HUGEPAGES 1371932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 13720e476d91SHuacai Chen select WEAK_ORDERING 13730e476d91SHuacai Chen select WEAK_REORDERING_BEYOND_LLSC 1374b2edcfc8SHuacai Chen select MIPS_PGD_C0_CONTEXT 137517c99d94SHuacai Chen select MIPS_L1_CACHE_SHIFT_6 1376d30a2b47SLinus Walleij select GPIOLIB 137709230cbcSChristoph Hellwig select SWIOTLB 13780e476d91SHuacai Chen help 13790e476d91SHuacai Chen The Loongson 3 processor implements the MIPS64R2 instruction 13800e476d91SHuacai Chen set with many extensions. 13810e476d91SHuacai Chen 13821e820da3SHuacai Chenconfig LOONGSON3_ENHANCEMENT 13831e820da3SHuacai Chen bool "New Loongson 3 CPU Enhancements" 13841e820da3SHuacai Chen default n 13851e820da3SHuacai Chen select CPU_MIPSR2 13861e820da3SHuacai Chen select CPU_HAS_PREFETCH 13871e820da3SHuacai Chen depends on CPU_LOONGSON3 13881e820da3SHuacai Chen help 13891e820da3SHuacai Chen New Loongson 3 CPU (since Loongson-3A R2, as opposed to Loongson-3A 13901e820da3SHuacai Chen R1, Loongson-3B R1 and Loongson-3B R2) has many enhancements, such as 13911e820da3SHuacai Chen FTLB, L1-VCache, EI/DI/Wait/Prefetch instruction, DSP/DSPv2 ASE, User 13921e820da3SHuacai Chen Local register, Read-Inhibit/Execute-Inhibit, SFB (Store Fill Buffer), 13931e820da3SHuacai Chen Fast TLB refill support, etc. 13941e820da3SHuacai Chen 13951e820da3SHuacai Chen This option enable those enhancements which are not probed at run 13961e820da3SHuacai Chen time. If you want a generic kernel to run on all Loongson 3 machines, 13971e820da3SHuacai Chen please say 'N' here. If you want a high-performance kernel to run on 13981e820da3SHuacai Chen new Loongson 3 machines only, please say 'Y' here. 13991e820da3SHuacai Chen 14003702bba5SWu Zhangjinconfig CPU_LOONGSON2E 14013702bba5SWu Zhangjin bool "Loongson 2E" 14023702bba5SWu Zhangjin depends on SYS_HAS_CPU_LOONGSON2E 14033702bba5SWu Zhangjin select CPU_LOONGSON2 14042a21c730SFuxin Zhang help 14052a21c730SFuxin Zhang The Loongson 2E processor implements the MIPS III instruction set 14062a21c730SFuxin Zhang with many extensions. 14072a21c730SFuxin Zhang 140825985edcSLucas De Marchi It has an internal FPGA northbridge, which is compatible to 14096f7a251aSWu Zhangjin bonito64. 14106f7a251aSWu Zhangjin 14116f7a251aSWu Zhangjinconfig CPU_LOONGSON2F 14126f7a251aSWu Zhangjin bool "Loongson 2F" 14136f7a251aSWu Zhangjin depends on SYS_HAS_CPU_LOONGSON2F 14146f7a251aSWu Zhangjin select CPU_LOONGSON2 1415d30a2b47SLinus Walleij select GPIOLIB 14166f7a251aSWu Zhangjin help 14176f7a251aSWu Zhangjin The Loongson 2F processor implements the MIPS III instruction set 14186f7a251aSWu Zhangjin with many extensions. 14196f7a251aSWu Zhangjin 14206f7a251aSWu Zhangjin Loongson2F have built-in DDR2 and PCIX controller. The PCIX controller 14216f7a251aSWu Zhangjin have a similar programming interface with FPGA northbridge used in 14226f7a251aSWu Zhangjin Loongson2E. 14236f7a251aSWu Zhangjin 1424ca585cf9SKelvin Cheungconfig CPU_LOONGSON1B 1425ca585cf9SKelvin Cheung bool "Loongson 1B" 1426ca585cf9SKelvin Cheung depends on SYS_HAS_CPU_LOONGSON1B 1427ca585cf9SKelvin Cheung select CPU_LOONGSON1 14289ec88b60SKelvin Cheung select LEDS_GPIO_REGISTER 1429ca585cf9SKelvin Cheung help 1430ca585cf9SKelvin Cheung The Loongson 1B is a 32-bit SoC, which implements the MIPS32 1431968dc5a0S谢致邦 (XIE Zhibang) Release 1 instruction set and part of the MIPS32 Release 2 1432968dc5a0S谢致邦 (XIE Zhibang) instruction set. 1433ca585cf9SKelvin Cheung 143412e3280bSYang Lingconfig CPU_LOONGSON1C 143512e3280bSYang Ling bool "Loongson 1C" 143612e3280bSYang Ling depends on SYS_HAS_CPU_LOONGSON1C 143712e3280bSYang Ling select CPU_LOONGSON1 143812e3280bSYang Ling select LEDS_GPIO_REGISTER 143912e3280bSYang Ling help 144012e3280bSYang Ling The Loongson 1C is a 32-bit SoC, which implements the MIPS32 1441968dc5a0S谢致邦 (XIE Zhibang) Release 1 instruction set and part of the MIPS32 Release 2 1442968dc5a0S谢致邦 (XIE Zhibang) instruction set. 144312e3280bSYang Ling 14446e760c8dSRalf Baechleconfig CPU_MIPS32_R1 14456e760c8dSRalf Baechle bool "MIPS32 Release 1" 14467cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS32_R1 14476e760c8dSRalf Baechle select CPU_HAS_PREFETCH 1448932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 1449797798c1SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 1450ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 14516e760c8dSRalf Baechle help 14525e83d430SRalf Baechle Choose this option to build a kernel for release 1 or later of the 14531e5f1caaSRalf Baechle MIPS32 architecture. Most modern embedded systems with a 32-bit 14541e5f1caaSRalf Baechle MIPS processor are based on a MIPS32 processor. If you know the 14551e5f1caaSRalf Baechle specific type of processor in your system, choose those that one 14561e5f1caaSRalf Baechle otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. 14571e5f1caaSRalf Baechle Release 2 of the MIPS32 architecture is available since several 14581e5f1caaSRalf Baechle years so chances are you even have a MIPS32 Release 2 processor 14591e5f1caaSRalf Baechle in which case you should choose CPU_MIPS32_R2 instead for better 14601e5f1caaSRalf Baechle performance. 14611e5f1caaSRalf Baechle 14621e5f1caaSRalf Baechleconfig CPU_MIPS32_R2 14631e5f1caaSRalf Baechle bool "MIPS32 Release 2" 14647cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS32_R2 14651e5f1caaSRalf Baechle select CPU_HAS_PREFETCH 1466932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 1467797798c1SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 1468ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 1469a5e9a69eSPaul Burton select CPU_SUPPORTS_MSA 14702235a54dSSanjay Lal select HAVE_KVM 14711e5f1caaSRalf Baechle help 14725e83d430SRalf Baechle Choose this option to build a kernel for release 2 or later of the 14736e760c8dSRalf Baechle MIPS32 architecture. Most modern embedded systems with a 32-bit 14746e760c8dSRalf Baechle MIPS processor are based on a MIPS32 processor. If you know the 14756e760c8dSRalf Baechle specific type of processor in your system, choose those that one 14766e760c8dSRalf Baechle otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. 14771da177e4SLinus Torvalds 14787fd08ca5SLeonid Yegoshinconfig CPU_MIPS32_R6 1479674d10e2SMarkos Chandras bool "MIPS32 Release 6" 14807fd08ca5SLeonid Yegoshin depends on SYS_HAS_CPU_MIPS32_R6 14817fd08ca5SLeonid Yegoshin select CPU_HAS_PREFETCH 14827fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_32BIT_KERNEL 14837fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_HIGHMEM 14847fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_MSA 14857fd08ca5SLeonid Yegoshin select HAVE_KVM 14867fd08ca5SLeonid Yegoshin select MIPS_O32_FP64_SUPPORT 14877fd08ca5SLeonid Yegoshin help 14887fd08ca5SLeonid Yegoshin Choose this option to build a kernel for release 6 or later of the 14897fd08ca5SLeonid Yegoshin MIPS32 architecture. New MIPS processors, starting with the Warrior 14907fd08ca5SLeonid Yegoshin family, are based on a MIPS32r6 processor. If you own an older 14917fd08ca5SLeonid Yegoshin processor, you probably need to select MIPS32r1 or MIPS32r2 instead. 14927fd08ca5SLeonid Yegoshin 14936e760c8dSRalf Baechleconfig CPU_MIPS64_R1 14946e760c8dSRalf Baechle bool "MIPS64 Release 1" 14957cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS64_R1 1496797798c1SRalf Baechle select CPU_HAS_PREFETCH 1497932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 1498ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1499ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1500ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 15019cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 15026e760c8dSRalf Baechle help 15036e760c8dSRalf Baechle Choose this option to build a kernel for release 1 or later of the 15046e760c8dSRalf Baechle MIPS64 architecture. Many modern embedded systems with a 64-bit 15056e760c8dSRalf Baechle MIPS processor are based on a MIPS64 processor. If you know the 15066e760c8dSRalf Baechle specific type of processor in your system, choose those that one 15076e760c8dSRalf Baechle otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. 15081e5f1caaSRalf Baechle Release 2 of the MIPS64 architecture is available since several 15091e5f1caaSRalf Baechle years so chances are you even have a MIPS64 Release 2 processor 15101e5f1caaSRalf Baechle in which case you should choose CPU_MIPS64_R2 instead for better 15111e5f1caaSRalf Baechle performance. 15121e5f1caaSRalf Baechle 15131e5f1caaSRalf Baechleconfig CPU_MIPS64_R2 15141e5f1caaSRalf Baechle bool "MIPS64 Release 2" 15157cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS64_R2 1516797798c1SRalf Baechle select CPU_HAS_PREFETCH 1517932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 15181e5f1caaSRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 15191e5f1caaSRalf Baechle select CPU_SUPPORTS_64BIT_KERNEL 1520ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 15219cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 1522a5e9a69eSPaul Burton select CPU_SUPPORTS_MSA 152340a2df49SJames Hogan select HAVE_KVM 15241e5f1caaSRalf Baechle help 15251e5f1caaSRalf Baechle Choose this option to build a kernel for release 2 or later of the 15261e5f1caaSRalf Baechle MIPS64 architecture. Many modern embedded systems with a 64-bit 15271e5f1caaSRalf Baechle MIPS processor are based on a MIPS64 processor. If you know the 15281e5f1caaSRalf Baechle specific type of processor in your system, choose those that one 15291e5f1caaSRalf Baechle otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. 15301da177e4SLinus Torvalds 15317fd08ca5SLeonid Yegoshinconfig CPU_MIPS64_R6 1532674d10e2SMarkos Chandras bool "MIPS64 Release 6" 15337fd08ca5SLeonid Yegoshin depends on SYS_HAS_CPU_MIPS64_R6 15347fd08ca5SLeonid Yegoshin select CPU_HAS_PREFETCH 15357fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_32BIT_KERNEL 15367fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_64BIT_KERNEL 15377fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_HIGHMEM 15387fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_MSA 15392e6c7747SJames Hogan select MIPS_O32_FP64_SUPPORT if 32BIT || MIPS32_O32 154040a2df49SJames Hogan select HAVE_KVM 15417fd08ca5SLeonid Yegoshin help 15427fd08ca5SLeonid Yegoshin Choose this option to build a kernel for release 6 or later of the 15437fd08ca5SLeonid Yegoshin MIPS64 architecture. New MIPS processors, starting with the Warrior 15447fd08ca5SLeonid Yegoshin family, are based on a MIPS64r6 processor. If you own an older 15457fd08ca5SLeonid Yegoshin processor, you probably need to select MIPS64r1 or MIPS64r2 instead. 15467fd08ca5SLeonid Yegoshin 15471da177e4SLinus Torvaldsconfig CPU_R3000 15481da177e4SLinus Torvalds bool "R3000" 15497cf8053bSRalf Baechle depends on SYS_HAS_CPU_R3000 1550f7062ddbSRalf Baechle select CPU_HAS_WB 1551932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 1552ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1553797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 15541da177e4SLinus Torvalds help 15551da177e4SLinus Torvalds Please make sure to pick the right CPU type. Linux/MIPS is not 15561da177e4SLinus Torvalds designed to be generic, i.e. Kernels compiled for R3000 CPUs will 15571da177e4SLinus Torvalds *not* work on R4000 machines and vice versa. However, since most 15581da177e4SLinus Torvalds of the supported machines have an R4000 (or similar) CPU, R4x00 15591da177e4SLinus Torvalds might be a safe bet. If the resulting kernel does not work, 15601da177e4SLinus Torvalds try to recompile with R3000. 15611da177e4SLinus Torvalds 15621da177e4SLinus Torvaldsconfig CPU_TX39XX 15631da177e4SLinus Torvalds bool "R39XX" 15647cf8053bSRalf Baechle depends on SYS_HAS_CPU_TX39XX 1565ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1566932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 15671da177e4SLinus Torvalds 15681da177e4SLinus Torvaldsconfig CPU_VR41XX 15691da177e4SLinus Torvalds bool "R41xx" 15707cf8053bSRalf Baechle depends on SYS_HAS_CPU_VR41XX 1571ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1572ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1573932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 15741da177e4SLinus Torvalds help 15755e83d430SRalf Baechle The options selects support for the NEC VR4100 series of processors. 15761da177e4SLinus Torvalds Only choose this option if you have one of these processors as a 15771da177e4SLinus Torvalds kernel built with this option will not run on any other type of 15781da177e4SLinus Torvalds processor or vice versa. 15791da177e4SLinus Torvalds 15801da177e4SLinus Torvaldsconfig CPU_R4300 15811da177e4SLinus Torvalds bool "R4300" 15827cf8053bSRalf Baechle depends on SYS_HAS_CPU_R4300 1583ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1584ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1585932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 15861da177e4SLinus Torvalds help 15871da177e4SLinus Torvalds MIPS Technologies R4300-series processors. 15881da177e4SLinus Torvalds 15891da177e4SLinus Torvaldsconfig CPU_R4X00 15901da177e4SLinus Torvalds bool "R4x00" 15917cf8053bSRalf Baechle depends on SYS_HAS_CPU_R4X00 1592ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1593ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1594970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 1595932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 15961da177e4SLinus Torvalds help 15971da177e4SLinus Torvalds MIPS Technologies R4000-series processors other than 4300, including 15981da177e4SLinus Torvalds the R4000, R4400, R4600, and 4700. 15991da177e4SLinus Torvalds 16001da177e4SLinus Torvaldsconfig CPU_TX49XX 16011da177e4SLinus Torvalds bool "R49XX" 16027cf8053bSRalf Baechle depends on SYS_HAS_CPU_TX49XX 1603de862b48SAtsushi Nemoto select CPU_HAS_PREFETCH 1604932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 1605ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1606ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1607970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 16081da177e4SLinus Torvalds 16091da177e4SLinus Torvaldsconfig CPU_R5000 16101da177e4SLinus Torvalds bool "R5000" 16117cf8053bSRalf Baechle depends on SYS_HAS_CPU_R5000 1612ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1613ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1614970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 1615932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 16161da177e4SLinus Torvalds help 16171da177e4SLinus Torvalds MIPS Technologies R5000-series processors other than the Nevada. 16181da177e4SLinus Torvalds 16191da177e4SLinus Torvaldsconfig CPU_R5432 16201da177e4SLinus Torvalds bool "R5432" 16217cf8053bSRalf Baechle depends on SYS_HAS_CPU_R5432 16225e83d430SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 16235e83d430SRalf Baechle select CPU_SUPPORTS_64BIT_KERNEL 1624970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 1625932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 16261da177e4SLinus Torvalds 1627542c1020SShinya Kuribayashiconfig CPU_R5500 1628542c1020SShinya Kuribayashi bool "R5500" 1629542c1020SShinya Kuribayashi depends on SYS_HAS_CPU_R5500 1630542c1020SShinya Kuribayashi select CPU_SUPPORTS_32BIT_KERNEL 1631542c1020SShinya Kuribayashi select CPU_SUPPORTS_64BIT_KERNEL 16329cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 1633932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 1634542c1020SShinya Kuribayashi help 1635542c1020SShinya Kuribayashi NEC VR5500 and VR5500A series processors implement 64-bit MIPS IV 1636542c1020SShinya Kuribayashi instruction set. 1637542c1020SShinya Kuribayashi 16381da177e4SLinus Torvaldsconfig CPU_NEVADA 16391da177e4SLinus Torvalds bool "RM52xx" 16407cf8053bSRalf Baechle depends on SYS_HAS_CPU_NEVADA 1641ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1642ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1643970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 1644932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 16451da177e4SLinus Torvalds help 16461da177e4SLinus Torvalds QED / PMC-Sierra RM52xx-series ("Nevada") processors. 16471da177e4SLinus Torvalds 16481da177e4SLinus Torvaldsconfig CPU_R8000 16491da177e4SLinus Torvalds bool "R8000" 16507cf8053bSRalf Baechle depends on SYS_HAS_CPU_R8000 16515e83d430SRalf Baechle select CPU_HAS_PREFETCH 1652932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 1653ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 16541da177e4SLinus Torvalds help 16551da177e4SLinus Torvalds MIPS Technologies R8000 processors. Note these processors are 16561da177e4SLinus Torvalds uncommon and the support for them is incomplete. 16571da177e4SLinus Torvalds 16581da177e4SLinus Torvaldsconfig CPU_R10000 16591da177e4SLinus Torvalds bool "R10000" 16607cf8053bSRalf Baechle depends on SYS_HAS_CPU_R10000 16615e83d430SRalf Baechle select CPU_HAS_PREFETCH 1662932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 1663ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1664ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1665797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 1666970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 16671da177e4SLinus Torvalds help 16681da177e4SLinus Torvalds MIPS Technologies R10000-series processors. 16691da177e4SLinus Torvalds 16701da177e4SLinus Torvaldsconfig CPU_RM7000 16711da177e4SLinus Torvalds bool "RM7000" 16727cf8053bSRalf Baechle depends on SYS_HAS_CPU_RM7000 16735e83d430SRalf Baechle select CPU_HAS_PREFETCH 1674932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 1675ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1676ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1677797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 1678970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 16791da177e4SLinus Torvalds 16801da177e4SLinus Torvaldsconfig CPU_SB1 16811da177e4SLinus Torvalds bool "SB1" 16827cf8053bSRalf Baechle depends on SYS_HAS_CPU_SB1 1683932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 1684ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1685ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1686797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 1687970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 16880004a9dfSRalf Baechle select WEAK_ORDERING 16891da177e4SLinus Torvalds 1690a86c7f72SDavid Daneyconfig CPU_CAVIUM_OCTEON 1691a86c7f72SDavid Daney bool "Cavium Octeon processor" 16925e683389SDavid Daney depends on SYS_HAS_CPU_CAVIUM_OCTEON 1693a86c7f72SDavid Daney select CPU_HAS_PREFETCH 1694932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 1695a86c7f72SDavid Daney select CPU_SUPPORTS_64BIT_KERNEL 1696a86c7f72SDavid Daney select WEAK_ORDERING 1697a86c7f72SDavid Daney select CPU_SUPPORTS_HIGHMEM 16989cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 1699df115f3eSBen Hutchings select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 1700df115f3eSBen Hutchings select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 1701930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_7 17020ae3abcdSJames Hogan select HAVE_KVM 1703a86c7f72SDavid Daney help 1704a86c7f72SDavid Daney The Cavium Octeon processor is a highly integrated chip containing 1705a86c7f72SDavid Daney many ethernet hardware widgets for networking tasks. The processor 1706a86c7f72SDavid Daney can have up to 16 Mips64v2 cores and 8 integrated gigabit ethernets. 1707a86c7f72SDavid Daney Full details can be found at http://www.caviumnetworks.com. 1708a86c7f72SDavid Daney 1709cd746249SJonas Gorskiconfig CPU_BMIPS 1710cd746249SJonas Gorski bool "Broadcom BMIPS" 1711cd746249SJonas Gorski depends on SYS_HAS_CPU_BMIPS 1712cd746249SJonas Gorski select CPU_MIPS32 1713fe7f62c0SJonas Gorski select CPU_BMIPS32_3300 if SYS_HAS_CPU_BMIPS32_3300 1714cd746249SJonas Gorski select CPU_BMIPS4350 if SYS_HAS_CPU_BMIPS4350 1715cd746249SJonas Gorski select CPU_BMIPS4380 if SYS_HAS_CPU_BMIPS4380 1716cd746249SJonas Gorski select CPU_BMIPS5000 if SYS_HAS_CPU_BMIPS5000 1717cd746249SJonas Gorski select CPU_SUPPORTS_32BIT_KERNEL 1718cd746249SJonas Gorski select DMA_NONCOHERENT 171967e38cf2SRalf Baechle select IRQ_MIPS_CPU 1720cd746249SJonas Gorski select SWAP_IO_SPACE 1721cd746249SJonas Gorski select WEAK_ORDERING 1722c1c0c461SKevin Cernekee select CPU_SUPPORTS_HIGHMEM 172369aaf9c8SJonas Gorski select CPU_HAS_PREFETCH 1724932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 1725a8d709b0SMarkus Mayer select CPU_SUPPORTS_CPUFREQ 1726a8d709b0SMarkus Mayer select MIPS_EXTERNAL_TIMER 1727c1c0c461SKevin Cernekee help 1728fe7f62c0SJonas Gorski Support for BMIPS32/3300/4350/4380 and BMIPS5000 processors. 1729c1c0c461SKevin Cernekee 17307f058e85SJayachandran Cconfig CPU_XLR 17317f058e85SJayachandran C bool "Netlogic XLR SoC" 17327f058e85SJayachandran C depends on SYS_HAS_CPU_XLR 1733932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 17347f058e85SJayachandran C select CPU_SUPPORTS_32BIT_KERNEL 17357f058e85SJayachandran C select CPU_SUPPORTS_64BIT_KERNEL 17367f058e85SJayachandran C select CPU_SUPPORTS_HIGHMEM 1737970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 17387f058e85SJayachandran C select WEAK_ORDERING 17397f058e85SJayachandran C select WEAK_REORDERING_BEYOND_LLSC 17407f058e85SJayachandran C help 17417f058e85SJayachandran C Netlogic Microsystems XLR/XLS processors. 17421c773ea4SJayachandran C 17431c773ea4SJayachandran Cconfig CPU_XLP 17441c773ea4SJayachandran C bool "Netlogic XLP SoC" 17451c773ea4SJayachandran C depends on SYS_HAS_CPU_XLP 17461c773ea4SJayachandran C select CPU_SUPPORTS_32BIT_KERNEL 17471c773ea4SJayachandran C select CPU_SUPPORTS_64BIT_KERNEL 17481c773ea4SJayachandran C select CPU_SUPPORTS_HIGHMEM 17491c773ea4SJayachandran C select WEAK_ORDERING 17501c773ea4SJayachandran C select WEAK_REORDERING_BEYOND_LLSC 17511c773ea4SJayachandran C select CPU_HAS_PREFETCH 1752932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 1753d6504846SJayachandran C select CPU_MIPSR2 1754ddba6833SPrem Mallappa select CPU_SUPPORTS_HUGEPAGES 17552db003a5SPaul Burton select MIPS_ASID_BITS_VARIABLE 17561c773ea4SJayachandran C help 17571c773ea4SJayachandran C Netlogic Microsystems XLP processors. 17581da177e4SLinus Torvaldsendchoice 17591da177e4SLinus Torvalds 1760a6e18781SLeonid Yegoshinconfig CPU_MIPS32_3_5_FEATURES 1761a6e18781SLeonid Yegoshin bool "MIPS32 Release 3.5 Features" 1762a6e18781SLeonid Yegoshin depends on SYS_HAS_CPU_MIPS32_R3_5 17637fd08ca5SLeonid Yegoshin depends on CPU_MIPS32_R2 || CPU_MIPS32_R6 1764a6e18781SLeonid Yegoshin help 1765a6e18781SLeonid Yegoshin Choose this option to build a kernel for release 2 or later of the 1766a6e18781SLeonid Yegoshin MIPS32 architecture including features from the 3.5 release such as 1767a6e18781SLeonid Yegoshin support for Enhanced Virtual Addressing (EVA). 1768a6e18781SLeonid Yegoshin 1769a6e18781SLeonid Yegoshinconfig CPU_MIPS32_3_5_EVA 1770a6e18781SLeonid Yegoshin bool "Enhanced Virtual Addressing (EVA)" 1771a6e18781SLeonid Yegoshin depends on CPU_MIPS32_3_5_FEATURES 1772a6e18781SLeonid Yegoshin select EVA 1773a6e18781SLeonid Yegoshin default y 1774a6e18781SLeonid Yegoshin help 1775a6e18781SLeonid Yegoshin Choose this option if you want to enable the Enhanced Virtual 1776a6e18781SLeonid Yegoshin Addressing (EVA) on your MIPS32 core (such as proAptiv). 1777a6e18781SLeonid Yegoshin One of its primary benefits is an increase in the maximum size 1778a6e18781SLeonid Yegoshin of lowmem (up to 3GB). If unsure, say 'N' here. 1779a6e18781SLeonid Yegoshin 1780c5b36783SSteven J. Hillconfig CPU_MIPS32_R5_FEATURES 1781c5b36783SSteven J. Hill bool "MIPS32 Release 5 Features" 1782c5b36783SSteven J. Hill depends on SYS_HAS_CPU_MIPS32_R5 1783c5b36783SSteven J. Hill depends on CPU_MIPS32_R2 1784c5b36783SSteven J. Hill help 1785c5b36783SSteven J. Hill Choose this option to build a kernel for release 2 or later of the 1786c5b36783SSteven J. Hill MIPS32 architecture including features from release 5 such as 1787c5b36783SSteven J. Hill support for Extended Physical Addressing (XPA). 1788c5b36783SSteven J. Hill 1789c5b36783SSteven J. Hillconfig CPU_MIPS32_R5_XPA 1790c5b36783SSteven J. Hill bool "Extended Physical Addressing (XPA)" 1791c5b36783SSteven J. Hill depends on CPU_MIPS32_R5_FEATURES 1792c5b36783SSteven J. Hill depends on !EVA 1793c5b36783SSteven J. Hill depends on !PAGE_SIZE_4KB 1794c5b36783SSteven J. Hill depends on SYS_SUPPORTS_HIGHMEM 1795c5b36783SSteven J. Hill select XPA 1796c5b36783SSteven J. Hill select HIGHMEM 1797d4a451d5SChristoph Hellwig select PHYS_ADDR_T_64BIT 1798c5b36783SSteven J. Hill default n 1799c5b36783SSteven J. Hill help 1800c5b36783SSteven J. Hill Choose this option if you want to enable the Extended Physical 1801c5b36783SSteven J. Hill Addressing (XPA) on your MIPS32 core (such as P5600 series). The 1802c5b36783SSteven J. Hill benefit is to increase physical addressing equal to or greater 1803c5b36783SSteven J. Hill than 40 bits. Note that this has the side effect of turning on 1804c5b36783SSteven J. Hill 64-bit addressing which in turn makes the PTEs 64-bit in size. 1805c5b36783SSteven J. Hill If unsure, say 'N' here. 1806c5b36783SSteven J. Hill 1807622844bfSWu Zhangjinif CPU_LOONGSON2F 1808622844bfSWu Zhangjinconfig CPU_NOP_WORKAROUNDS 1809622844bfSWu Zhangjin bool 1810622844bfSWu Zhangjin 1811622844bfSWu Zhangjinconfig CPU_JUMP_WORKAROUNDS 1812622844bfSWu Zhangjin bool 1813622844bfSWu Zhangjin 1814622844bfSWu Zhangjinconfig CPU_LOONGSON2F_WORKAROUNDS 1815622844bfSWu Zhangjin bool "Loongson 2F Workarounds" 1816622844bfSWu Zhangjin default y 1817622844bfSWu Zhangjin select CPU_NOP_WORKAROUNDS 1818622844bfSWu Zhangjin select CPU_JUMP_WORKAROUNDS 1819622844bfSWu Zhangjin help 1820622844bfSWu Zhangjin Loongson 2F01 / 2F02 processors have the NOP & JUMP issues which 1821622844bfSWu Zhangjin require workarounds. Without workarounds the system may hang 1822622844bfSWu Zhangjin unexpectedly. For more information please refer to the gas 1823622844bfSWu Zhangjin -mfix-loongson2f-nop and -mfix-loongson2f-jump options. 1824622844bfSWu Zhangjin 1825622844bfSWu Zhangjin Loongson 2F03 and later have fixed these issues and no workarounds 1826622844bfSWu Zhangjin are needed. The workarounds have no significant side effect on them 1827622844bfSWu Zhangjin but may decrease the performance of the system so this option should 1828622844bfSWu Zhangjin be disabled unless the kernel is intended to be run on 2F01 or 2F02 1829622844bfSWu Zhangjin systems. 1830622844bfSWu Zhangjin 1831622844bfSWu Zhangjin If unsure, please say Y. 1832622844bfSWu Zhangjinendif # CPU_LOONGSON2F 1833622844bfSWu Zhangjin 18341b93b3c3SWu Zhangjinconfig SYS_SUPPORTS_ZBOOT 18351b93b3c3SWu Zhangjin bool 18361b93b3c3SWu Zhangjin select HAVE_KERNEL_GZIP 18371b93b3c3SWu Zhangjin select HAVE_KERNEL_BZIP2 183831c4867dSFlorian Fainelli select HAVE_KERNEL_LZ4 18391b93b3c3SWu Zhangjin select HAVE_KERNEL_LZMA 1840fe1d45e0SWu Zhangjin select HAVE_KERNEL_LZO 18414e23eb63SFlorian Fainelli select HAVE_KERNEL_XZ 18421b93b3c3SWu Zhangjin 18431b93b3c3SWu Zhangjinconfig SYS_SUPPORTS_ZBOOT_UART16550 18441b93b3c3SWu Zhangjin bool 18451b93b3c3SWu Zhangjin select SYS_SUPPORTS_ZBOOT 18461b93b3c3SWu Zhangjin 1847dbb98314SAlban Bedelconfig SYS_SUPPORTS_ZBOOT_UART_PROM 1848dbb98314SAlban Bedel bool 1849dbb98314SAlban Bedel select SYS_SUPPORTS_ZBOOT 1850dbb98314SAlban Bedel 18513702bba5SWu Zhangjinconfig CPU_LOONGSON2 18523702bba5SWu Zhangjin bool 18533702bba5SWu Zhangjin select CPU_SUPPORTS_32BIT_KERNEL 18543702bba5SWu Zhangjin select CPU_SUPPORTS_64BIT_KERNEL 18553702bba5SWu Zhangjin select CPU_SUPPORTS_HIGHMEM 1856970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 1857e905086eSChristoph Hellwig select ARCH_HAS_PHYS_TO_DMA 1858932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 18593702bba5SWu Zhangjin 1860ca585cf9SKelvin Cheungconfig CPU_LOONGSON1 1861ca585cf9SKelvin Cheung bool 1862ca585cf9SKelvin Cheung select CPU_MIPS32 1863968dc5a0S谢致邦 (XIE Zhibang) select CPU_MIPSR1 1864ca585cf9SKelvin Cheung select CPU_HAS_PREFETCH 1865932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 1866ca585cf9SKelvin Cheung select CPU_SUPPORTS_32BIT_KERNEL 1867ca585cf9SKelvin Cheung select CPU_SUPPORTS_HIGHMEM 1868f29ad10dSKelvin Cheung select CPU_SUPPORTS_CPUFREQ 1869ca585cf9SKelvin Cheung 1870fe7f62c0SJonas Gorskiconfig CPU_BMIPS32_3300 187104fa8bf7SJonas Gorski select SMP_UP if SMP 18721bbb6c1bSKevin Cernekee bool 1873cd746249SJonas Gorski 1874cd746249SJonas Gorskiconfig CPU_BMIPS4350 1875cd746249SJonas Gorski bool 1876cd746249SJonas Gorski select SYS_SUPPORTS_SMP 1877cd746249SJonas Gorski select SYS_SUPPORTS_HOTPLUG_CPU 1878cd746249SJonas Gorski 1879cd746249SJonas Gorskiconfig CPU_BMIPS4380 1880cd746249SJonas Gorski bool 1881bbf2ba67SKevin Cernekee select MIPS_L1_CACHE_SHIFT_6 1882cd746249SJonas Gorski select SYS_SUPPORTS_SMP 1883cd746249SJonas Gorski select SYS_SUPPORTS_HOTPLUG_CPU 1884b4720809SFlorian Fainelli select CPU_HAS_RIXI 1885cd746249SJonas Gorski 1886cd746249SJonas Gorskiconfig CPU_BMIPS5000 1887cd746249SJonas Gorski bool 1888cd746249SJonas Gorski select MIPS_CPU_SCACHE 1889bbf2ba67SKevin Cernekee select MIPS_L1_CACHE_SHIFT_7 1890cd746249SJonas Gorski select SYS_SUPPORTS_SMP 1891cd746249SJonas Gorski select SYS_SUPPORTS_HOTPLUG_CPU 1892b4720809SFlorian Fainelli select CPU_HAS_RIXI 18931bbb6c1bSKevin Cernekee 18940e476d91SHuacai Chenconfig SYS_HAS_CPU_LOONGSON3 18950e476d91SHuacai Chen bool 18960e476d91SHuacai Chen select CPU_SUPPORTS_CPUFREQ 1897b2edcfc8SHuacai Chen select CPU_HAS_RIXI 18980e476d91SHuacai Chen 18993702bba5SWu Zhangjinconfig SYS_HAS_CPU_LOONGSON2E 19002a21c730SFuxin Zhang bool 19012a21c730SFuxin Zhang 19026f7a251aSWu Zhangjinconfig SYS_HAS_CPU_LOONGSON2F 19036f7a251aSWu Zhangjin bool 190455045ff5SWu Zhangjin select CPU_SUPPORTS_CPUFREQ 190555045ff5SWu Zhangjin select CPU_SUPPORTS_ADDRWINCFG if 64BIT 190622f1fdfdSWu Zhangjin select CPU_SUPPORTS_UNCACHED_ACCELERATED 19076f7a251aSWu Zhangjin 1908ca585cf9SKelvin Cheungconfig SYS_HAS_CPU_LOONGSON1B 1909ca585cf9SKelvin Cheung bool 1910ca585cf9SKelvin Cheung 191112e3280bSYang Lingconfig SYS_HAS_CPU_LOONGSON1C 191212e3280bSYang Ling bool 191312e3280bSYang Ling 19147cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS32_R1 19157cf8053bSRalf Baechle bool 19167cf8053bSRalf Baechle 19177cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS32_R2 19187cf8053bSRalf Baechle bool 19197cf8053bSRalf Baechle 1920a6e18781SLeonid Yegoshinconfig SYS_HAS_CPU_MIPS32_R3_5 1921a6e18781SLeonid Yegoshin bool 1922a6e18781SLeonid Yegoshin 1923c5b36783SSteven J. Hillconfig SYS_HAS_CPU_MIPS32_R5 1924c5b36783SSteven J. Hill bool 1925c5b36783SSteven J. Hill 19267fd08ca5SLeonid Yegoshinconfig SYS_HAS_CPU_MIPS32_R6 19277fd08ca5SLeonid Yegoshin bool 19287fd08ca5SLeonid Yegoshin 19297cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS64_R1 19307cf8053bSRalf Baechle bool 19317cf8053bSRalf Baechle 19327cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS64_R2 19337cf8053bSRalf Baechle bool 19347cf8053bSRalf Baechle 19357fd08ca5SLeonid Yegoshinconfig SYS_HAS_CPU_MIPS64_R6 19367fd08ca5SLeonid Yegoshin bool 19377fd08ca5SLeonid Yegoshin 19387cf8053bSRalf Baechleconfig SYS_HAS_CPU_R3000 19397cf8053bSRalf Baechle bool 19407cf8053bSRalf Baechle 19417cf8053bSRalf Baechleconfig SYS_HAS_CPU_TX39XX 19427cf8053bSRalf Baechle bool 19437cf8053bSRalf Baechle 19447cf8053bSRalf Baechleconfig SYS_HAS_CPU_VR41XX 19457cf8053bSRalf Baechle bool 19467cf8053bSRalf Baechle 19477cf8053bSRalf Baechleconfig SYS_HAS_CPU_R4300 19487cf8053bSRalf Baechle bool 19497cf8053bSRalf Baechle 19507cf8053bSRalf Baechleconfig SYS_HAS_CPU_R4X00 19517cf8053bSRalf Baechle bool 19527cf8053bSRalf Baechle 19537cf8053bSRalf Baechleconfig SYS_HAS_CPU_TX49XX 19547cf8053bSRalf Baechle bool 19557cf8053bSRalf Baechle 19567cf8053bSRalf Baechleconfig SYS_HAS_CPU_R5000 19577cf8053bSRalf Baechle bool 19587cf8053bSRalf Baechle 19597cf8053bSRalf Baechleconfig SYS_HAS_CPU_R5432 19607cf8053bSRalf Baechle bool 19617cf8053bSRalf Baechle 1962542c1020SShinya Kuribayashiconfig SYS_HAS_CPU_R5500 1963542c1020SShinya Kuribayashi bool 1964542c1020SShinya Kuribayashi 19657cf8053bSRalf Baechleconfig SYS_HAS_CPU_NEVADA 19667cf8053bSRalf Baechle bool 19677cf8053bSRalf Baechle 19687cf8053bSRalf Baechleconfig SYS_HAS_CPU_R8000 19697cf8053bSRalf Baechle bool 19707cf8053bSRalf Baechle 19717cf8053bSRalf Baechleconfig SYS_HAS_CPU_R10000 19727cf8053bSRalf Baechle bool 19737cf8053bSRalf Baechle 19747cf8053bSRalf Baechleconfig SYS_HAS_CPU_RM7000 19757cf8053bSRalf Baechle bool 19767cf8053bSRalf Baechle 19777cf8053bSRalf Baechleconfig SYS_HAS_CPU_SB1 19787cf8053bSRalf Baechle bool 19797cf8053bSRalf Baechle 19805e683389SDavid Daneyconfig SYS_HAS_CPU_CAVIUM_OCTEON 19815e683389SDavid Daney bool 19825e683389SDavid Daney 1983cd746249SJonas Gorskiconfig SYS_HAS_CPU_BMIPS 1984c1c0c461SKevin Cernekee bool 1985c1c0c461SKevin Cernekee 1986fe7f62c0SJonas Gorskiconfig SYS_HAS_CPU_BMIPS32_3300 1987c1c0c461SKevin Cernekee bool 1988cd746249SJonas Gorski select SYS_HAS_CPU_BMIPS 1989c1c0c461SKevin Cernekee 1990c1c0c461SKevin Cernekeeconfig SYS_HAS_CPU_BMIPS4350 1991c1c0c461SKevin Cernekee bool 1992cd746249SJonas Gorski select SYS_HAS_CPU_BMIPS 1993c1c0c461SKevin Cernekee 1994c1c0c461SKevin Cernekeeconfig SYS_HAS_CPU_BMIPS4380 1995c1c0c461SKevin Cernekee bool 1996cd746249SJonas Gorski select SYS_HAS_CPU_BMIPS 1997c1c0c461SKevin Cernekee 1998c1c0c461SKevin Cernekeeconfig SYS_HAS_CPU_BMIPS5000 1999c1c0c461SKevin Cernekee bool 2000cd746249SJonas Gorski select SYS_HAS_CPU_BMIPS 2001c1c0c461SKevin Cernekee 20027f058e85SJayachandran Cconfig SYS_HAS_CPU_XLR 20037f058e85SJayachandran C bool 20047f058e85SJayachandran C 20051c773ea4SJayachandran Cconfig SYS_HAS_CPU_XLP 20061c773ea4SJayachandran C bool 20071c773ea4SJayachandran C 200817099b11SRalf Baechle# 200917099b11SRalf Baechle# CPU may reorder R->R, R->W, W->R, W->W 201017099b11SRalf Baechle# Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC 201117099b11SRalf Baechle# 20120004a9dfSRalf Baechleconfig WEAK_ORDERING 20130004a9dfSRalf Baechle bool 201417099b11SRalf Baechle 201517099b11SRalf Baechle# 201617099b11SRalf Baechle# CPU may reorder reads and writes beyond LL/SC 201717099b11SRalf Baechle# CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC 201817099b11SRalf Baechle# 201917099b11SRalf Baechleconfig WEAK_REORDERING_BEYOND_LLSC 202017099b11SRalf Baechle bool 20215e83d430SRalf Baechleendmenu 20225e83d430SRalf Baechle 20235e83d430SRalf Baechle# 20245e83d430SRalf Baechle# These two indicate any level of the MIPS32 and MIPS64 architecture 20255e83d430SRalf Baechle# 20265e83d430SRalf Baechleconfig CPU_MIPS32 20275e83d430SRalf Baechle bool 20287fd08ca5SLeonid Yegoshin default y if CPU_MIPS32_R1 || CPU_MIPS32_R2 || CPU_MIPS32_R6 20295e83d430SRalf Baechle 20305e83d430SRalf Baechleconfig CPU_MIPS64 20315e83d430SRalf Baechle bool 20327fd08ca5SLeonid Yegoshin default y if CPU_MIPS64_R1 || CPU_MIPS64_R2 || CPU_MIPS64_R6 20335e83d430SRalf Baechle 20345e83d430SRalf Baechle# 2035*57eeacedSPaul Burton# These indicate the revision of the architecture 20365e83d430SRalf Baechle# 20375e83d430SRalf Baechleconfig CPU_MIPSR1 20385e83d430SRalf Baechle bool 20395e83d430SRalf Baechle default y if CPU_MIPS32_R1 || CPU_MIPS64_R1 20405e83d430SRalf Baechle 20415e83d430SRalf Baechleconfig CPU_MIPSR2 20425e83d430SRalf Baechle bool 2043a86c7f72SDavid Daney default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON 20448256b17eSFlorian Fainelli select CPU_HAS_RIXI 2045a7e07b1aSMarkos Chandras select MIPS_SPRAM 20465e83d430SRalf Baechle 20477fd08ca5SLeonid Yegoshinconfig CPU_MIPSR6 20487fd08ca5SLeonid Yegoshin bool 20497fd08ca5SLeonid Yegoshin default y if CPU_MIPS32_R6 || CPU_MIPS64_R6 20508256b17eSFlorian Fainelli select CPU_HAS_RIXI 205187321fddSPaul Burton select HAVE_ARCH_BITREVERSE 20522db003a5SPaul Burton select MIPS_ASID_BITS_VARIABLE 20534a5dc51eSMarcin Nowakowski select MIPS_CRC_SUPPORT 2054a7e07b1aSMarkos Chandras select MIPS_SPRAM 20555e83d430SRalf Baechle 2056*57eeacedSPaul Burtonconfig TARGET_ISA_REV 2057*57eeacedSPaul Burton int 2058*57eeacedSPaul Burton default 1 if CPU_MIPSR1 2059*57eeacedSPaul Burton default 2 if CPU_MIPSR2 2060*57eeacedSPaul Burton default 6 if CPU_MIPSR6 2061*57eeacedSPaul Burton default 0 2062*57eeacedSPaul Burton help 2063*57eeacedSPaul Burton Reflects the ISA revision being targeted by the kernel build. This 2064*57eeacedSPaul Burton is effectively the Kconfig equivalent of MIPS_ISA_REV. 2065*57eeacedSPaul Burton 2066a6e18781SLeonid Yegoshinconfig EVA 2067a6e18781SLeonid Yegoshin bool 2068a6e18781SLeonid Yegoshin 2069c5b36783SSteven J. Hillconfig XPA 2070c5b36783SSteven J. Hill bool 2071c5b36783SSteven J. Hill 20725e83d430SRalf Baechleconfig SYS_SUPPORTS_32BIT_KERNEL 20735e83d430SRalf Baechle bool 20745e83d430SRalf Baechleconfig SYS_SUPPORTS_64BIT_KERNEL 20755e83d430SRalf Baechle bool 20765e83d430SRalf Baechleconfig CPU_SUPPORTS_32BIT_KERNEL 20775e83d430SRalf Baechle bool 20785e83d430SRalf Baechleconfig CPU_SUPPORTS_64BIT_KERNEL 20795e83d430SRalf Baechle bool 208055045ff5SWu Zhangjinconfig CPU_SUPPORTS_CPUFREQ 208155045ff5SWu Zhangjin bool 208255045ff5SWu Zhangjinconfig CPU_SUPPORTS_ADDRWINCFG 208355045ff5SWu Zhangjin bool 20849cffd154SDavid Daneyconfig CPU_SUPPORTS_HUGEPAGES 20859cffd154SDavid Daney bool 208622f1fdfdSWu Zhangjinconfig CPU_SUPPORTS_UNCACHED_ACCELERATED 208722f1fdfdSWu Zhangjin bool 208882622284SDavid Daneyconfig MIPS_PGD_C0_CONTEXT 208982622284SDavid Daney bool 2090cebf8c0fSPaul Burton default y if 64BIT && (CPU_MIPSR2 || CPU_MIPSR6) && !CPU_XLP 20915e83d430SRalf Baechle 20928192c9eaSDavid Daney# 20938192c9eaSDavid Daney# Set to y for ptrace access to watch registers. 20948192c9eaSDavid Daney# 20958192c9eaSDavid Daneyconfig HARDWARE_WATCHPOINTS 20968192c9eaSDavid Daney bool 2097679eb637SJames Hogan default y if CPU_MIPSR1 || CPU_MIPSR2 || CPU_MIPSR6 20988192c9eaSDavid Daney 20995e83d430SRalf Baechlemenu "Kernel type" 21005e83d430SRalf Baechle 21015e83d430SRalf Baechlechoice 21025e83d430SRalf Baechle prompt "Kernel code model" 21035e83d430SRalf Baechle help 21045e83d430SRalf Baechle You should only select this option if you have a workload that 21055e83d430SRalf Baechle actually benefits from 64-bit processing or if your machine has 21065e83d430SRalf Baechle large memory. You will only be presented a single option in this 21075e83d430SRalf Baechle menu if your system does not support both 32-bit and 64-bit kernels. 21085e83d430SRalf Baechle 21095e83d430SRalf Baechleconfig 32BIT 21105e83d430SRalf Baechle bool "32-bit kernel" 21115e83d430SRalf Baechle depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL 21125e83d430SRalf Baechle select TRAD_SIGNALS 21135e83d430SRalf Baechle help 21145e83d430SRalf Baechle Select this option if you want to build a 32-bit kernel. 2115f17c4ca3SRalf Baechle 21165e83d430SRalf Baechleconfig 64BIT 21175e83d430SRalf Baechle bool "64-bit kernel" 21185e83d430SRalf Baechle depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL 21195e83d430SRalf Baechle help 21205e83d430SRalf Baechle Select this option if you want to build a 64-bit kernel. 21215e83d430SRalf Baechle 21225e83d430SRalf Baechleendchoice 21235e83d430SRalf Baechle 21242235a54dSSanjay Lalconfig KVM_GUEST 21252235a54dSSanjay Lal bool "KVM Guest Kernel" 2126f2a5b1d7SJames Hogan depends on BROKEN_ON_SMP 21272235a54dSSanjay Lal help 2128caa1faa7SJames Hogan Select this option if building a guest kernel for KVM (Trap & Emulate) 2129caa1faa7SJames Hogan mode. 21302235a54dSSanjay Lal 2131eda3d33cSJames Hoganconfig KVM_GUEST_TIMER_FREQ 2132eda3d33cSJames Hogan int "Count/Compare Timer Frequency (MHz)" 21332235a54dSSanjay Lal depends on KVM_GUEST 2134eda3d33cSJames Hogan default 100 21352235a54dSSanjay Lal help 2136eda3d33cSJames Hogan Set this to non-zero if building a guest kernel for KVM to skip RTC 2137eda3d33cSJames Hogan emulation when determining guest CPU Frequency. Instead, the guest's 2138eda3d33cSJames Hogan timer frequency is specified directly. 21392235a54dSSanjay Lal 21401e321fa9SLeonid Yegoshinconfig MIPS_VA_BITS_48 21411e321fa9SLeonid Yegoshin bool "48 bits virtual memory" 21421e321fa9SLeonid Yegoshin depends on 64BIT 21431e321fa9SLeonid Yegoshin help 21443377e227SAlex Belits Support a maximum at least 48 bits of application virtual 21453377e227SAlex Belits memory. Default is 40 bits or less, depending on the CPU. 21463377e227SAlex Belits For page sizes 16k and above, this option results in a small 21473377e227SAlex Belits memory overhead for page tables. For 4k page size, a fourth 21483377e227SAlex Belits level of page tables is added which imposes both a memory 21493377e227SAlex Belits overhead as well as slower TLB fault handling. 21503377e227SAlex Belits 21511e321fa9SLeonid Yegoshin If unsure, say N. 21521e321fa9SLeonid Yegoshin 21531da177e4SLinus Torvaldschoice 21541da177e4SLinus Torvalds prompt "Kernel page size" 21551da177e4SLinus Torvalds default PAGE_SIZE_4KB 21561da177e4SLinus Torvalds 21571da177e4SLinus Torvaldsconfig PAGE_SIZE_4KB 21581da177e4SLinus Torvalds bool "4kB" 21590e476d91SHuacai Chen depends on !CPU_LOONGSON2 && !CPU_LOONGSON3 21601da177e4SLinus Torvalds help 21611da177e4SLinus Torvalds This option select the standard 4kB Linux page size. On some 21621da177e4SLinus Torvalds R3000-family processors this is the only available page size. Using 21631da177e4SLinus Torvalds 4kB page size will minimize memory consumption and is therefore 21641da177e4SLinus Torvalds recommended for low memory systems. 21651da177e4SLinus Torvalds 21661da177e4SLinus Torvaldsconfig PAGE_SIZE_8KB 21671da177e4SLinus Torvalds bool "8kB" 21687d60717eSKees Cook depends on CPU_R8000 || CPU_CAVIUM_OCTEON 21691e321fa9SLeonid Yegoshin depends on !MIPS_VA_BITS_48 21701da177e4SLinus Torvalds help 21711da177e4SLinus Torvalds Using 8kB page size will result in higher performance kernel at 21721da177e4SLinus Torvalds the price of higher memory consumption. This option is available 2173c52399beSRalf Baechle only on R8000 and cnMIPS processors. Note that you will need a 2174c52399beSRalf Baechle suitable Linux distribution to support this. 21751da177e4SLinus Torvalds 21761da177e4SLinus Torvaldsconfig PAGE_SIZE_16KB 21771da177e4SLinus Torvalds bool "16kB" 2178714bfad6SRalf Baechle depends on !CPU_R3000 && !CPU_TX39XX 21791da177e4SLinus Torvalds help 21801da177e4SLinus Torvalds Using 16kB page size will result in higher performance kernel at 21811da177e4SLinus Torvalds the price of higher memory consumption. This option is available on 2182714bfad6SRalf Baechle all non-R3000 family processors. Note that you will need a suitable 2183714bfad6SRalf Baechle Linux distribution to support this. 21841da177e4SLinus Torvalds 2185c52399beSRalf Baechleconfig PAGE_SIZE_32KB 2186c52399beSRalf Baechle bool "32kB" 2187c52399beSRalf Baechle depends on CPU_CAVIUM_OCTEON 21881e321fa9SLeonid Yegoshin depends on !MIPS_VA_BITS_48 2189c52399beSRalf Baechle help 2190c52399beSRalf Baechle Using 32kB page size will result in higher performance kernel at 2191c52399beSRalf Baechle the price of higher memory consumption. This option is available 2192c52399beSRalf Baechle only on cnMIPS cores. Note that you will need a suitable Linux 2193c52399beSRalf Baechle distribution to support this. 2194c52399beSRalf Baechle 21951da177e4SLinus Torvaldsconfig PAGE_SIZE_64KB 21961da177e4SLinus Torvalds bool "64kB" 21973b2db173SPaul Burton depends on !CPU_R3000 && !CPU_TX39XX 21981da177e4SLinus Torvalds help 21991da177e4SLinus Torvalds Using 64kB page size will result in higher performance kernel at 22001da177e4SLinus Torvalds the price of higher memory consumption. This option is available on 22011da177e4SLinus Torvalds all non-R3000 family processor. Not that at the time of this 2202714bfad6SRalf Baechle writing this option is still high experimental. 22031da177e4SLinus Torvalds 22041da177e4SLinus Torvaldsendchoice 22051da177e4SLinus Torvalds 2206c9bace7cSDavid Daneyconfig FORCE_MAX_ZONEORDER 2207c9bace7cSDavid Daney int "Maximum zone order" 2208e4362d1eSAlex Smith range 14 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB 2209e4362d1eSAlex Smith default "14" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB 2210e4362d1eSAlex Smith range 13 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB 2211e4362d1eSAlex Smith default "13" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB 2212e4362d1eSAlex Smith range 12 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB 2213e4362d1eSAlex Smith default "12" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB 2214c9bace7cSDavid Daney range 11 64 2215c9bace7cSDavid Daney default "11" 2216c9bace7cSDavid Daney help 2217c9bace7cSDavid Daney The kernel memory allocator divides physically contiguous memory 2218c9bace7cSDavid Daney blocks into "zones", where each zone is a power of two number of 2219c9bace7cSDavid Daney pages. This option selects the largest power of two that the kernel 2220c9bace7cSDavid Daney keeps in the memory allocator. If you need to allocate very large 2221c9bace7cSDavid Daney blocks of physically contiguous memory, then you may need to 2222c9bace7cSDavid Daney increase this value. 2223c9bace7cSDavid Daney 2224c9bace7cSDavid Daney This config option is actually maximum order plus one. For example, 2225c9bace7cSDavid Daney a value of 11 means that the largest free memory block is 2^10 pages. 2226c9bace7cSDavid Daney 2227c9bace7cSDavid Daney The page size is not necessarily 4KB. Keep this in mind 2228c9bace7cSDavid Daney when choosing a value for this option. 2229c9bace7cSDavid Daney 22301da177e4SLinus Torvaldsconfig BOARD_SCACHE 22311da177e4SLinus Torvalds bool 22321da177e4SLinus Torvalds 22331da177e4SLinus Torvaldsconfig IP22_CPU_SCACHE 22341da177e4SLinus Torvalds bool 22351da177e4SLinus Torvalds select BOARD_SCACHE 22361da177e4SLinus Torvalds 22379318c51aSChris Dearman# 22389318c51aSChris Dearman# Support for a MIPS32 / MIPS64 style S-caches 22399318c51aSChris Dearman# 22409318c51aSChris Dearmanconfig MIPS_CPU_SCACHE 22419318c51aSChris Dearman bool 22429318c51aSChris Dearman select BOARD_SCACHE 22439318c51aSChris Dearman 22441da177e4SLinus Torvaldsconfig R5000_CPU_SCACHE 22451da177e4SLinus Torvalds bool 22461da177e4SLinus Torvalds select BOARD_SCACHE 22471da177e4SLinus Torvalds 22481da177e4SLinus Torvaldsconfig RM7000_CPU_SCACHE 22491da177e4SLinus Torvalds bool 22501da177e4SLinus Torvalds select BOARD_SCACHE 22511da177e4SLinus Torvalds 22521da177e4SLinus Torvaldsconfig SIBYTE_DMA_PAGEOPS 22531da177e4SLinus Torvalds bool "Use DMA to clear/copy pages" 22541da177e4SLinus Torvalds depends on CPU_SB1 22551da177e4SLinus Torvalds help 22561da177e4SLinus Torvalds Instead of using the CPU to zero and copy pages, use a Data Mover 22571da177e4SLinus Torvalds channel. These DMA channels are otherwise unused by the standard 22581da177e4SLinus Torvalds SiByte Linux port. Seems to give a small performance benefit. 22591da177e4SLinus Torvalds 22601da177e4SLinus Torvaldsconfig CPU_HAS_PREFETCH 2261c8094b53SRalf Baechle bool 22621da177e4SLinus Torvalds 22633165c846SFlorian Fainelliconfig CPU_GENERIC_DUMP_TLB 22643165c846SFlorian Fainelli bool 22653b2db173SPaul Burton default y if !(CPU_R3000 || CPU_R8000 || CPU_TX39XX) 22663165c846SFlorian Fainelli 2267c92e47e5SPaul Burtonconfig MIPS_FP_SUPPORT 2268183b40f9SPaul Burton bool "Floating Point support" if EXPERT 2269183b40f9SPaul Burton default y 2270183b40f9SPaul Burton help 2271183b40f9SPaul Burton Select y to include support for floating point in the kernel 2272183b40f9SPaul Burton including initialization of FPU hardware, FP context save & restore 2273183b40f9SPaul Burton and emulation of an FPU where necessary. Without this support any 2274183b40f9SPaul Burton userland program attempting to use floating point instructions will 2275183b40f9SPaul Burton receive a SIGILL. 2276183b40f9SPaul Burton 2277183b40f9SPaul Burton If you know that your userland will not attempt to use floating point 2278183b40f9SPaul Burton instructions then you can say n here to shrink the kernel a little. 2279183b40f9SPaul Burton 2280183b40f9SPaul Burton If unsure, say y. 2281c92e47e5SPaul Burton 228297f7dcbfSPaul Burtonconfig CPU_R2300_FPU 228397f7dcbfSPaul Burton bool 2284c92e47e5SPaul Burton depends on MIPS_FP_SUPPORT 228597f7dcbfSPaul Burton default y if CPU_R3000 || CPU_TX39XX 228697f7dcbfSPaul Burton 228791405eb6SFlorian Fainelliconfig CPU_R4K_FPU 228891405eb6SFlorian Fainelli bool 2289c92e47e5SPaul Burton depends on MIPS_FP_SUPPORT 229097f7dcbfSPaul Burton default y if !CPU_R2300_FPU 229191405eb6SFlorian Fainelli 229262cedc4fSFlorian Fainelliconfig CPU_R4K_CACHE_TLB 229362cedc4fSFlorian Fainelli bool 229462cedc4fSFlorian Fainelli default y if !(CPU_R3000 || CPU_R8000 || CPU_SB1 || CPU_TX39XX || CPU_CAVIUM_OCTEON) 229562cedc4fSFlorian Fainelli 229659d6ab86SRalf Baechleconfig MIPS_MT_SMP 2297a92b7f87SMarkos Chandras bool "MIPS MT SMP support (1 TC on each available VPE)" 22985cbf9688SPaul Burton default y 2299527f1028SPaul Burton depends on SYS_SUPPORTS_MULTITHREADING && !CPU_MIPSR6 && !CPU_MICROMIPS 230059d6ab86SRalf Baechle select CPU_MIPSR2_IRQ_VI 2301d725cf38SChris Dearman select CPU_MIPSR2_IRQ_EI 2302c080faa5SSteven J. Hill select SYNC_R4K 230359d6ab86SRalf Baechle select MIPS_MT 230459d6ab86SRalf Baechle select SMP 230587353d8aSRalf Baechle select SMP_UP 2306c080faa5SSteven J. Hill select SYS_SUPPORTS_SMP 2307c080faa5SSteven J. Hill select SYS_SUPPORTS_SCHED_SMT 2308399aaa25SAl Cooper select MIPS_PERF_SHARED_TC_COUNTERS 230959d6ab86SRalf Baechle help 2310c080faa5SSteven J. Hill This is a kernel model which is known as SMVP. This is supported 2311c080faa5SSteven J. Hill on cores with the MT ASE and uses the available VPEs to implement 2312c080faa5SSteven J. Hill virtual processors which supports SMP. This is equivalent to the 2313c080faa5SSteven J. Hill Intel Hyperthreading feature. For further information go to 2314c080faa5SSteven J. Hill <http://www.imgtec.com/mips/mips-multithreading.asp>. 231559d6ab86SRalf Baechle 2316f41ae0b2SRalf Baechleconfig MIPS_MT 2317f41ae0b2SRalf Baechle bool 2318f41ae0b2SRalf Baechle 23190ab7aefcSRalf Baechleconfig SCHED_SMT 23200ab7aefcSRalf Baechle bool "SMT (multithreading) scheduler support" 23210ab7aefcSRalf Baechle depends on SYS_SUPPORTS_SCHED_SMT 23220ab7aefcSRalf Baechle default n 23230ab7aefcSRalf Baechle help 23240ab7aefcSRalf Baechle SMT scheduler support improves the CPU scheduler's decision making 23250ab7aefcSRalf Baechle when dealing with MIPS MT enabled cores at a cost of slightly 23260ab7aefcSRalf Baechle increased overhead in some places. If unsure say N here. 23270ab7aefcSRalf Baechle 23280ab7aefcSRalf Baechleconfig SYS_SUPPORTS_SCHED_SMT 23290ab7aefcSRalf Baechle bool 23300ab7aefcSRalf Baechle 2331f41ae0b2SRalf Baechleconfig SYS_SUPPORTS_MULTITHREADING 2332f41ae0b2SRalf Baechle bool 2333f41ae0b2SRalf Baechle 2334f088fc84SRalf Baechleconfig MIPS_MT_FPAFF 2335f088fc84SRalf Baechle bool "Dynamic FPU affinity for FP-intensive threads" 2336f088fc84SRalf Baechle default y 2337b633648cSRalf Baechle depends on MIPS_MT_SMP 233807cc0c9eSRalf Baechle 2339b0a668fbSLeonid Yegoshinconfig MIPSR2_TO_R6_EMULATOR 2340b0a668fbSLeonid Yegoshin bool "MIPS R2-to-R6 emulator" 23419eaa9a82SPaul Burton depends on CPU_MIPSR6 2342c92e47e5SPaul Burton depends on MIPS_FP_SUPPORT 2343b0a668fbSLeonid Yegoshin default y 2344b0a668fbSLeonid Yegoshin help 2345b0a668fbSLeonid Yegoshin Choose this option if you want to run non-R6 MIPS userland code. 2346b0a668fbSLeonid Yegoshin Even if you say 'Y' here, the emulator will still be disabled by 234707edf0d4SMarkos Chandras default. You can enable it using the 'mipsr2emu' kernel option. 2348b0a668fbSLeonid Yegoshin The only reason this is a build-time option is to save ~14K from the 2349b0a668fbSLeonid Yegoshin final kernel image. 2350b0a668fbSLeonid Yegoshin 2351f35764e7SJames Hoganconfig SYS_SUPPORTS_VPE_LOADER 2352f35764e7SJames Hogan bool 2353f35764e7SJames Hogan depends on SYS_SUPPORTS_MULTITHREADING 2354f35764e7SJames Hogan help 2355f35764e7SJames Hogan Indicates that the platform supports the VPE loader, and provides 2356f35764e7SJames Hogan physical_memsize. 2357f35764e7SJames Hogan 235807cc0c9eSRalf Baechleconfig MIPS_VPE_LOADER 235907cc0c9eSRalf Baechle bool "VPE loader support." 2360f35764e7SJames Hogan depends on SYS_SUPPORTS_VPE_LOADER && MODULES 236107cc0c9eSRalf Baechle select CPU_MIPSR2_IRQ_VI 236207cc0c9eSRalf Baechle select CPU_MIPSR2_IRQ_EI 236307cc0c9eSRalf Baechle select MIPS_MT 236407cc0c9eSRalf Baechle help 236507cc0c9eSRalf Baechle Includes a loader for loading an elf relocatable object 236607cc0c9eSRalf Baechle onto another VPE and running it. 2367f088fc84SRalf Baechle 236817a1d523SDeng-Cheng Zhuconfig MIPS_VPE_LOADER_CMP 236917a1d523SDeng-Cheng Zhu bool 237017a1d523SDeng-Cheng Zhu default "y" 237117a1d523SDeng-Cheng Zhu depends on MIPS_VPE_LOADER && MIPS_CMP 237217a1d523SDeng-Cheng Zhu 23731a2a6d7eSDeng-Cheng Zhuconfig MIPS_VPE_LOADER_MT 23741a2a6d7eSDeng-Cheng Zhu bool 23751a2a6d7eSDeng-Cheng Zhu default "y" 23761a2a6d7eSDeng-Cheng Zhu depends on MIPS_VPE_LOADER && !MIPS_CMP 23771a2a6d7eSDeng-Cheng Zhu 2378e01402b1SRalf Baechleconfig MIPS_VPE_LOADER_TOM 2379e01402b1SRalf Baechle bool "Load VPE program into memory hidden from linux" 2380e01402b1SRalf Baechle depends on MIPS_VPE_LOADER 2381e01402b1SRalf Baechle default y 2382e01402b1SRalf Baechle help 2383e01402b1SRalf Baechle The loader can use memory that is present but has been hidden from 2384e01402b1SRalf Baechle Linux using the kernel command line option "mem=xxMB". It's up to 2385e01402b1SRalf Baechle you to ensure the amount you put in the option and the space your 2386e01402b1SRalf Baechle program requires is less or equal to the amount physically present. 2387e01402b1SRalf Baechle 2388e01402b1SRalf Baechleconfig MIPS_VPE_APSP_API 2389e01402b1SRalf Baechle bool "Enable support for AP/SP API (RTLX)" 2390e01402b1SRalf Baechle depends on MIPS_VPE_LOADER 2391e01402b1SRalf Baechle 2392da615cf6SDeng-Cheng Zhuconfig MIPS_VPE_APSP_API_CMP 2393da615cf6SDeng-Cheng Zhu bool 2394da615cf6SDeng-Cheng Zhu default "y" 2395da615cf6SDeng-Cheng Zhu depends on MIPS_VPE_APSP_API && MIPS_CMP 2396da615cf6SDeng-Cheng Zhu 23972c973ef0SDeng-Cheng Zhuconfig MIPS_VPE_APSP_API_MT 23982c973ef0SDeng-Cheng Zhu bool 23992c973ef0SDeng-Cheng Zhu default "y" 24002c973ef0SDeng-Cheng Zhu depends on MIPS_VPE_APSP_API && !MIPS_CMP 24012c973ef0SDeng-Cheng Zhu 24024a16ff4cSRalf Baechleconfig MIPS_CMP 24035cac93b3SPaul Burton bool "MIPS CMP framework support (DEPRECATED)" 24045676319cSMarkos Chandras depends on SYS_SUPPORTS_MIPS_CMP && !CPU_MIPSR6 2405b10b43baSMarkos Chandras select SMP 2406eb9b5141STim Anderson select SYNC_R4K 2407b10b43baSMarkos Chandras select SYS_SUPPORTS_SMP 24084a16ff4cSRalf Baechle select WEAK_ORDERING 24094a16ff4cSRalf Baechle default n 24104a16ff4cSRalf Baechle help 2411044505c7SPaul Burton Select this if you are using a bootloader which implements the "CMP 2412044505c7SPaul Burton framework" protocol (ie. YAMON) and want your kernel to make use of 2413044505c7SPaul Burton its ability to start secondary CPUs. 24144a16ff4cSRalf Baechle 24155cac93b3SPaul Burton Unless you have a specific need, you should use CONFIG_MIPS_CPS 24165cac93b3SPaul Burton instead of this. 24175cac93b3SPaul Burton 24180ee958e1SPaul Burtonconfig MIPS_CPS 24190ee958e1SPaul Burton bool "MIPS Coherent Processing System support" 24205a3e7c02SPaul Burton depends on SYS_SUPPORTS_MIPS_CPS 24210ee958e1SPaul Burton select MIPS_CM 24221d8f1f5aSPaul Burton select MIPS_CPS_PM if HOTPLUG_CPU 24230ee958e1SPaul Burton select SMP 24240ee958e1SPaul Burton select SYNC_R4K if (CEVT_R4K || CSRC_R4K) 24251d8f1f5aSPaul Burton select SYS_SUPPORTS_HOTPLUG_CPU 2426c8b7712cSPaul Burton select SYS_SUPPORTS_SCHED_SMT if CPU_MIPSR6 24270ee958e1SPaul Burton select SYS_SUPPORTS_SMP 24280ee958e1SPaul Burton select WEAK_ORDERING 24290ee958e1SPaul Burton help 24300ee958e1SPaul Burton Select this if you wish to run an SMP kernel across multiple cores 24310ee958e1SPaul Burton within a MIPS Coherent Processing System. When this option is 24320ee958e1SPaul Burton enabled the kernel will probe for other cores and boot them with 24330ee958e1SPaul Burton no external assistance. It is safe to enable this when hardware 24340ee958e1SPaul Burton support is unavailable. 24350ee958e1SPaul Burton 24363179d37eSPaul Burtonconfig MIPS_CPS_PM 243739a59593SMarkos Chandras depends on MIPS_CPS 24383179d37eSPaul Burton bool 24393179d37eSPaul Burton 24409f98f3ddSPaul Burtonconfig MIPS_CM 24419f98f3ddSPaul Burton bool 24423c9b4166SPaul Burton select MIPS_CPC 24439f98f3ddSPaul Burton 24449c38cf44SPaul Burtonconfig MIPS_CPC 24459c38cf44SPaul Burton bool 24462600990eSRalf Baechle 24471da177e4SLinus Torvaldsconfig SB1_PASS_2_WORKAROUNDS 24481da177e4SLinus Torvalds bool 24491da177e4SLinus Torvalds depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2) 24501da177e4SLinus Torvalds default y 24511da177e4SLinus Torvalds 24521da177e4SLinus Torvaldsconfig SB1_PASS_2_1_WORKAROUNDS 24531da177e4SLinus Torvalds bool 24541da177e4SLinus Torvalds depends on CPU_SB1 && CPU_SB1_PASS_2 24551da177e4SLinus Torvalds default y 24561da177e4SLinus Torvalds 24572235a54dSSanjay Lal 24589e2b5372SMarkos Chandraschoice 24599e2b5372SMarkos Chandras prompt "SmartMIPS or microMIPS ASE support" 24609e2b5372SMarkos Chandras 24619e2b5372SMarkos Chandrasconfig CPU_NEEDS_NO_SMARTMIPS_OR_MICROMIPS 24629e2b5372SMarkos Chandras bool "None" 24639e2b5372SMarkos Chandras help 24649e2b5372SMarkos Chandras Select this if you want neither microMIPS nor SmartMIPS support 24659e2b5372SMarkos Chandras 24669693a853SFranck Bui-Huuconfig CPU_HAS_SMARTMIPS 24679693a853SFranck Bui-Huu depends on SYS_SUPPORTS_SMARTMIPS 24689e2b5372SMarkos Chandras bool "SmartMIPS" 24699693a853SFranck Bui-Huu help 24709693a853SFranck Bui-Huu SmartMIPS is a extension of the MIPS32 architecture aimed at 24719693a853SFranck Bui-Huu increased security at both hardware and software level for 24729693a853SFranck Bui-Huu smartcards. Enabling this option will allow proper use of the 24739693a853SFranck Bui-Huu SmartMIPS instructions by Linux applications. However a kernel with 24749693a853SFranck Bui-Huu this option will not work on a MIPS core without SmartMIPS core. If 24759693a853SFranck Bui-Huu you don't know you probably don't have SmartMIPS and should say N 24769693a853SFranck Bui-Huu here. 24779693a853SFranck Bui-Huu 2478bce86083SSteven J. Hillconfig CPU_MICROMIPS 24797fd08ca5SLeonid Yegoshin depends on 32BIT && SYS_SUPPORTS_MICROMIPS && !CPU_MIPSR6 24809e2b5372SMarkos Chandras bool "microMIPS" 2481bce86083SSteven J. Hill help 2482bce86083SSteven J. Hill When this option is enabled the kernel will be built using the 2483bce86083SSteven J. Hill microMIPS ISA 2484bce86083SSteven J. Hill 24859e2b5372SMarkos Chandrasendchoice 24869e2b5372SMarkos Chandras 2487a5e9a69eSPaul Burtonconfig CPU_HAS_MSA 24880ce3417eSPaul Burton bool "Support for the MIPS SIMD Architecture" 2489a5e9a69eSPaul Burton depends on CPU_SUPPORTS_MSA 2490c92e47e5SPaul Burton depends on MIPS_FP_SUPPORT 24912a6cb669SPaul Burton depends on 64BIT || MIPS_O32_FP64_SUPPORT 2492a5e9a69eSPaul Burton help 2493a5e9a69eSPaul Burton MIPS SIMD Architecture (MSA) introduces 128 bit wide vector registers 2494a5e9a69eSPaul Burton and a set of SIMD instructions to operate on them. When this option 24951db1af84SPaul Burton is enabled the kernel will support allocating & switching MSA 24961db1af84SPaul Burton vector register contexts. If you know that your kernel will only be 24971db1af84SPaul Burton running on CPUs which do not support MSA or that your userland will 24981db1af84SPaul Burton not be making use of it then you may wish to say N here to reduce 24991db1af84SPaul Burton the size & complexity of your kernel. 2500a5e9a69eSPaul Burton 2501a5e9a69eSPaul Burton If unsure, say Y. 2502a5e9a69eSPaul Burton 25031da177e4SLinus Torvaldsconfig CPU_HAS_WB 2504f7062ddbSRalf Baechle bool 2505e01402b1SRalf Baechle 2506df0ac8a4SKevin Cernekeeconfig XKS01 2507df0ac8a4SKevin Cernekee bool 2508df0ac8a4SKevin Cernekee 25098256b17eSFlorian Fainelliconfig CPU_HAS_RIXI 25108256b17eSFlorian Fainelli bool 25118256b17eSFlorian Fainelli 2512932afdeeSYasha Cherikovskyconfig CPU_HAS_LOAD_STORE_LR 2513932afdeeSYasha Cherikovsky bool 2514932afdeeSYasha Cherikovsky help 2515932afdeeSYasha Cherikovsky CPU has support for unaligned load and store instructions: 2516932afdeeSYasha Cherikovsky LWL, LWR, SWL, SWR (Load/store word left/right). 2517932afdeeSYasha Cherikovsky LDL, LDR, SDL, SDR (Load/store doubleword left/right, for 64bit systems). 2518932afdeeSYasha Cherikovsky 2519f41ae0b2SRalf Baechle# 2520f41ae0b2SRalf Baechle# Vectored interrupt mode is an R2 feature 2521f41ae0b2SRalf Baechle# 2522e01402b1SRalf Baechleconfig CPU_MIPSR2_IRQ_VI 2523f41ae0b2SRalf Baechle bool 2524e01402b1SRalf Baechle 2525f41ae0b2SRalf Baechle# 2526f41ae0b2SRalf Baechle# Extended interrupt mode is an R2 feature 2527f41ae0b2SRalf Baechle# 2528e01402b1SRalf Baechleconfig CPU_MIPSR2_IRQ_EI 2529f41ae0b2SRalf Baechle bool 2530e01402b1SRalf Baechle 25311da177e4SLinus Torvaldsconfig CPU_HAS_SYNC 25321da177e4SLinus Torvalds bool 25331da177e4SLinus Torvalds depends on !CPU_R3000 25341da177e4SLinus Torvalds default y 25351da177e4SLinus Torvalds 25361da177e4SLinus Torvalds# 253720d60d99SMaciej W. Rozycki# CPU non-features 253820d60d99SMaciej W. Rozycki# 253920d60d99SMaciej W. Rozyckiconfig CPU_DADDI_WORKAROUNDS 254020d60d99SMaciej W. Rozycki bool 254120d60d99SMaciej W. Rozycki 254220d60d99SMaciej W. Rozyckiconfig CPU_R4000_WORKAROUNDS 254320d60d99SMaciej W. Rozycki bool 254420d60d99SMaciej W. Rozycki select CPU_R4400_WORKAROUNDS 254520d60d99SMaciej W. Rozycki 254620d60d99SMaciej W. Rozyckiconfig CPU_R4400_WORKAROUNDS 254720d60d99SMaciej W. Rozycki bool 254820d60d99SMaciej W. Rozycki 25494edf00a4SPaul Burtonconfig MIPS_ASID_SHIFT 25504edf00a4SPaul Burton int 25514edf00a4SPaul Burton default 6 if CPU_R3000 || CPU_TX39XX 25524edf00a4SPaul Burton default 4 if CPU_R8000 25534edf00a4SPaul Burton default 0 25544edf00a4SPaul Burton 25554edf00a4SPaul Burtonconfig MIPS_ASID_BITS 25564edf00a4SPaul Burton int 25572db003a5SPaul Burton default 0 if MIPS_ASID_BITS_VARIABLE 25584edf00a4SPaul Burton default 6 if CPU_R3000 || CPU_TX39XX 25594edf00a4SPaul Burton default 8 25604edf00a4SPaul Burton 25612db003a5SPaul Burtonconfig MIPS_ASID_BITS_VARIABLE 25622db003a5SPaul Burton bool 25632db003a5SPaul Burton 25644a5dc51eSMarcin Nowakowskiconfig MIPS_CRC_SUPPORT 25654a5dc51eSMarcin Nowakowski bool 25664a5dc51eSMarcin Nowakowski 256720d60d99SMaciej W. Rozycki# 25681da177e4SLinus Torvalds# - Highmem only makes sense for the 32-bit kernel. 25691da177e4SLinus Torvalds# - The current highmem code will only work properly on physically indexed 25701da177e4SLinus Torvalds# caches such as R3000, SB1, R7000 or those that look like they're virtually 25711da177e4SLinus Torvalds# indexed such as R4000/R4400 SC and MC versions or R10000. So for the 25721da177e4SLinus Torvalds# moment we protect the user and offer the highmem option only on machines 25731da177e4SLinus Torvalds# where it's known to be safe. This will not offer highmem on a few systems 25741da177e4SLinus Torvalds# such as MIPS32 and MIPS64 CPUs which may have virtual and physically 25751da177e4SLinus Torvalds# indexed CPUs but we're playing safe. 2576797798c1SRalf Baechle# - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we 2577797798c1SRalf Baechle# know they might have memory configurations that could make use of highmem 2578797798c1SRalf Baechle# support. 25791da177e4SLinus Torvalds# 25801da177e4SLinus Torvaldsconfig HIGHMEM 25811da177e4SLinus Torvalds bool "High Memory Support" 2582a6e18781SLeonid Yegoshin depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM && !CPU_MIPS32_3_5_EVA 2583797798c1SRalf Baechle 2584797798c1SRalf Baechleconfig CPU_SUPPORTS_HIGHMEM 2585797798c1SRalf Baechle bool 2586797798c1SRalf Baechle 2587797798c1SRalf Baechleconfig SYS_SUPPORTS_HIGHMEM 2588797798c1SRalf Baechle bool 25891da177e4SLinus Torvalds 25909693a853SFranck Bui-Huuconfig SYS_SUPPORTS_SMARTMIPS 25919693a853SFranck Bui-Huu bool 25929693a853SFranck Bui-Huu 2593a6a4834cSSteven J. Hillconfig SYS_SUPPORTS_MICROMIPS 2594a6a4834cSSteven J. Hill bool 2595a6a4834cSSteven J. Hill 2596377cb1b6SRalf Baechleconfig SYS_SUPPORTS_MIPS16 2597377cb1b6SRalf Baechle bool 2598377cb1b6SRalf Baechle help 2599377cb1b6SRalf Baechle This option must be set if a kernel might be executed on a MIPS16- 2600377cb1b6SRalf Baechle enabled CPU even if MIPS16 is not actually being used. In other 2601377cb1b6SRalf Baechle words, it makes the kernel MIPS16-tolerant. 2602377cb1b6SRalf Baechle 2603a5e9a69eSPaul Burtonconfig CPU_SUPPORTS_MSA 2604a5e9a69eSPaul Burton bool 2605a5e9a69eSPaul Burton 2606b4819b59SYoichi Yuasaconfig ARCH_FLATMEM_ENABLE 2607b4819b59SYoichi Yuasa def_bool y 2608f133f22dSWu Zhangjin depends on !NUMA && !CPU_LOONGSON2 2609b4819b59SYoichi Yuasa 2610d8cb4e11SRalf Baechleconfig ARCH_DISCONTIGMEM_ENABLE 2611d8cb4e11SRalf Baechle bool 2612d8cb4e11SRalf Baechle default y if SGI_IP27 2613d8cb4e11SRalf Baechle help 26143dde6ad8SDavid Sterba Say Y to support efficient handling of discontiguous physical memory, 2615d8cb4e11SRalf Baechle for architectures which are either NUMA (Non-Uniform Memory Access) 2616d8cb4e11SRalf Baechle or have huge holes in the physical address space for other reasons. 2617ad56b738SMike Rapoport See <file:Documentation/vm/numa.rst> for more. 2618d8cb4e11SRalf Baechle 2619b1c6cd42SAtsushi Nemotoconfig ARCH_SPARSEMEM_ENABLE 2620b1c6cd42SAtsushi Nemoto bool 26217de58fabSAtsushi Nemoto select SPARSEMEM_STATIC 262231473747SAtsushi Nemoto 2623d8cb4e11SRalf Baechleconfig NUMA 2624d8cb4e11SRalf Baechle bool "NUMA Support" 2625d8cb4e11SRalf Baechle depends on SYS_SUPPORTS_NUMA 2626d8cb4e11SRalf Baechle help 2627d8cb4e11SRalf Baechle Say Y to compile the kernel to support NUMA (Non-Uniform Memory 2628d8cb4e11SRalf Baechle Access). This option improves performance on systems with more 2629d8cb4e11SRalf Baechle than two nodes; on two node systems it is generally better to 2630d8cb4e11SRalf Baechle leave it disabled; on single node systems disable this option 2631d8cb4e11SRalf Baechle disabled. 2632d8cb4e11SRalf Baechle 2633d8cb4e11SRalf Baechleconfig SYS_SUPPORTS_NUMA 2634d8cb4e11SRalf Baechle bool 2635d8cb4e11SRalf Baechle 26368c530ea3SMatt Redfearnconfig RELOCATABLE 26378c530ea3SMatt Redfearn bool "Relocatable kernel" 26383ff72be4SSteven J. Hill depends on SYS_SUPPORTS_RELOCATABLE && (CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_MIPS32_R6 || CPU_MIPS64_R6 || CAVIUM_OCTEON_SOC) 26398c530ea3SMatt Redfearn help 26408c530ea3SMatt Redfearn This builds a kernel image that retains relocation information 26418c530ea3SMatt Redfearn so it can be loaded someplace besides the default 1MB. 26428c530ea3SMatt Redfearn The relocations make the kernel binary about 15% larger, 26438c530ea3SMatt Redfearn but are discarded at runtime 26448c530ea3SMatt Redfearn 2645069fd766SMatt Redfearnconfig RELOCATION_TABLE_SIZE 2646069fd766SMatt Redfearn hex "Relocation table size" 2647069fd766SMatt Redfearn depends on RELOCATABLE 2648069fd766SMatt Redfearn range 0x0 0x01000000 2649069fd766SMatt Redfearn default "0x00100000" 2650069fd766SMatt Redfearn ---help--- 2651069fd766SMatt Redfearn A table of relocation data will be appended to the kernel binary 2652069fd766SMatt Redfearn and parsed at boot to fix up the relocated kernel. 2653069fd766SMatt Redfearn 2654069fd766SMatt Redfearn This option allows the amount of space reserved for the table to be 2655069fd766SMatt Redfearn adjusted, although the default of 1Mb should be ok in most cases. 2656069fd766SMatt Redfearn 2657069fd766SMatt Redfearn The build will fail and a valid size suggested if this is too small. 2658069fd766SMatt Redfearn 2659069fd766SMatt Redfearn If unsure, leave at the default value. 2660069fd766SMatt Redfearn 2661405bc8fdSMatt Redfearnconfig RANDOMIZE_BASE 2662405bc8fdSMatt Redfearn bool "Randomize the address of the kernel image" 2663405bc8fdSMatt Redfearn depends on RELOCATABLE 2664405bc8fdSMatt Redfearn ---help--- 2665405bc8fdSMatt Redfearn Randomizes the physical and virtual address at which the 2666405bc8fdSMatt Redfearn kernel image is loaded, as a security feature that 2667405bc8fdSMatt Redfearn deters exploit attempts relying on knowledge of the location 2668405bc8fdSMatt Redfearn of kernel internals. 2669405bc8fdSMatt Redfearn 2670405bc8fdSMatt Redfearn Entropy is generated using any coprocessor 0 registers available. 2671405bc8fdSMatt Redfearn 2672405bc8fdSMatt Redfearn The kernel will be offset by up to RANDOMIZE_BASE_MAX_OFFSET. 2673405bc8fdSMatt Redfearn 2674405bc8fdSMatt Redfearn If unsure, say N. 2675405bc8fdSMatt Redfearn 2676405bc8fdSMatt Redfearnconfig RANDOMIZE_BASE_MAX_OFFSET 2677405bc8fdSMatt Redfearn hex "Maximum kASLR offset" if EXPERT 2678405bc8fdSMatt Redfearn depends on RANDOMIZE_BASE 2679405bc8fdSMatt Redfearn range 0x0 0x40000000 if EVA || 64BIT 2680405bc8fdSMatt Redfearn range 0x0 0x08000000 2681405bc8fdSMatt Redfearn default "0x01000000" 2682405bc8fdSMatt Redfearn ---help--- 2683405bc8fdSMatt Redfearn When kASLR is active, this provides the maximum offset that will 2684405bc8fdSMatt Redfearn be applied to the kernel image. It should be set according to the 2685405bc8fdSMatt Redfearn amount of physical RAM available in the target system minus 2686405bc8fdSMatt Redfearn PHYSICAL_START and must be a power of 2. 2687405bc8fdSMatt Redfearn 2688405bc8fdSMatt Redfearn This is limited by the size of KSEG0, 256Mb on 32-bit or 1Gb with 2689405bc8fdSMatt Redfearn EVA or 64-bit. The default is 16Mb. 2690405bc8fdSMatt Redfearn 2691c80d79d7SYasunori Gotoconfig NODES_SHIFT 2692c80d79d7SYasunori Goto int 2693c80d79d7SYasunori Goto default "6" 2694c80d79d7SYasunori Goto depends on NEED_MULTIPLE_NODES 2695c80d79d7SYasunori Goto 269614f70012SDeng-Cheng Zhuconfig HW_PERF_EVENTS 269714f70012SDeng-Cheng Zhu bool "Enable hardware performance counter support for perf events" 269823021b2bSYang Shi depends on PERF_EVENTS && !OPROFILE && (CPU_MIPS32 || CPU_MIPS64 || CPU_R10000 || CPU_SB1 || CPU_CAVIUM_OCTEON || CPU_XLP || CPU_LOONGSON3) 269914f70012SDeng-Cheng Zhu default y 270014f70012SDeng-Cheng Zhu help 270114f70012SDeng-Cheng Zhu Enable hardware performance counter support for perf events. If 270214f70012SDeng-Cheng Zhu disabled, perf events will use software events only. 270314f70012SDeng-Cheng Zhu 27041da177e4SLinus Torvaldsconfig SMP 27051da177e4SLinus Torvalds bool "Multi-Processing support" 2706e73ea273SRalf Baechle depends on SYS_SUPPORTS_SMP 2707e73ea273SRalf Baechle help 27081da177e4SLinus Torvalds This enables support for systems with more than one CPU. If you have 27094a474157SRobert Graffham a system with only one CPU, say N. If you have a system with more 27104a474157SRobert Graffham than one CPU, say Y. 27111da177e4SLinus Torvalds 27124a474157SRobert Graffham If you say N here, the kernel will run on uni- and multiprocessor 27131da177e4SLinus Torvalds machines, but will use only one CPU of a multiprocessor machine. If 27141da177e4SLinus Torvalds you say Y here, the kernel will run on many, but not all, 27154a474157SRobert Graffham uniprocessor machines. On a uniprocessor machine, the kernel 27161da177e4SLinus Torvalds will run faster if you say N here. 27171da177e4SLinus Torvalds 27181da177e4SLinus Torvalds People using multiprocessor machines who say Y here should also say 27191da177e4SLinus Torvalds Y to "Enhanced Real Time Clock Support", below. 27201da177e4SLinus Torvalds 272103502faaSAdrian Bunk See also the SMP-HOWTO available at 272203502faaSAdrian Bunk <http://www.tldp.org/docs.html#howto>. 27231da177e4SLinus Torvalds 27241da177e4SLinus Torvalds If you don't know what to do here, say N. 27251da177e4SLinus Torvalds 27267840d618SMatt Redfearnconfig HOTPLUG_CPU 27277840d618SMatt Redfearn bool "Support for hot-pluggable CPUs" 27287840d618SMatt Redfearn depends on SMP && SYS_SUPPORTS_HOTPLUG_CPU 27297840d618SMatt Redfearn help 27307840d618SMatt Redfearn Say Y here to allow turning CPUs off and on. CPUs can be 27317840d618SMatt Redfearn controlled through /sys/devices/system/cpu. 27327840d618SMatt Redfearn (Note: power management support will enable this option 27337840d618SMatt Redfearn automatically on SMP systems. ) 27347840d618SMatt Redfearn Say N if you want to disable CPU hotplug. 27357840d618SMatt Redfearn 273687353d8aSRalf Baechleconfig SMP_UP 273787353d8aSRalf Baechle bool 273887353d8aSRalf Baechle 27394a16ff4cSRalf Baechleconfig SYS_SUPPORTS_MIPS_CMP 27404a16ff4cSRalf Baechle bool 27414a16ff4cSRalf Baechle 27420ee958e1SPaul Burtonconfig SYS_SUPPORTS_MIPS_CPS 27430ee958e1SPaul Burton bool 27440ee958e1SPaul Burton 2745e73ea273SRalf Baechleconfig SYS_SUPPORTS_SMP 2746e73ea273SRalf Baechle bool 2747e73ea273SRalf Baechle 2748130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_4 2749130e2fb7SRalf Baechle bool 2750130e2fb7SRalf Baechle 2751130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_8 2752130e2fb7SRalf Baechle bool 2753130e2fb7SRalf Baechle 2754130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_16 2755130e2fb7SRalf Baechle bool 2756130e2fb7SRalf Baechle 2757130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_32 2758130e2fb7SRalf Baechle bool 2759130e2fb7SRalf Baechle 2760130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_64 2761130e2fb7SRalf Baechle bool 2762130e2fb7SRalf Baechle 27631da177e4SLinus Torvaldsconfig NR_CPUS 2764a91796a9SJayachandran C int "Maximum number of CPUs (2-256)" 2765a91796a9SJayachandran C range 2 256 27661da177e4SLinus Torvalds depends on SMP 2767130e2fb7SRalf Baechle default "4" if NR_CPUS_DEFAULT_4 2768130e2fb7SRalf Baechle default "8" if NR_CPUS_DEFAULT_8 2769130e2fb7SRalf Baechle default "16" if NR_CPUS_DEFAULT_16 2770130e2fb7SRalf Baechle default "32" if NR_CPUS_DEFAULT_32 2771130e2fb7SRalf Baechle default "64" if NR_CPUS_DEFAULT_64 27721da177e4SLinus Torvalds help 27731da177e4SLinus Torvalds This allows you to specify the maximum number of CPUs which this 27741da177e4SLinus Torvalds kernel will support. The maximum supported value is 32 for 32-bit 27751da177e4SLinus Torvalds kernel and 64 for 64-bit kernels; the minimum value which makes 277672ede9b1SAtsushi Nemoto sense is 1 for Qemu (useful only for kernel debugging purposes) 277772ede9b1SAtsushi Nemoto and 2 for all others. 27781da177e4SLinus Torvalds 27791da177e4SLinus Torvalds This is purely to save memory - each supported CPU adds 278072ede9b1SAtsushi Nemoto approximately eight kilobytes to the kernel image. For best 278172ede9b1SAtsushi Nemoto performance should round up your number of processors to the next 278272ede9b1SAtsushi Nemoto power of two. 27831da177e4SLinus Torvalds 2784399aaa25SAl Cooperconfig MIPS_PERF_SHARED_TC_COUNTERS 2785399aaa25SAl Cooper bool 2786399aaa25SAl Cooper 27877820b84bSDavid Daneyconfig MIPS_NR_CPU_NR_MAP_1024 27887820b84bSDavid Daney bool 27897820b84bSDavid Daney 27907820b84bSDavid Daneyconfig MIPS_NR_CPU_NR_MAP 27917820b84bSDavid Daney int 27927820b84bSDavid Daney depends on SMP 27937820b84bSDavid Daney default 1024 if MIPS_NR_CPU_NR_MAP_1024 27947820b84bSDavid Daney default NR_CPUS if !MIPS_NR_CPU_NR_MAP_1024 27957820b84bSDavid Daney 27961723b4a3SAtsushi Nemoto# 27971723b4a3SAtsushi Nemoto# Timer Interrupt Frequency Configuration 27981723b4a3SAtsushi Nemoto# 27991723b4a3SAtsushi Nemoto 28001723b4a3SAtsushi Nemotochoice 28011723b4a3SAtsushi Nemoto prompt "Timer frequency" 28021723b4a3SAtsushi Nemoto default HZ_250 28031723b4a3SAtsushi Nemoto help 28041723b4a3SAtsushi Nemoto Allows the configuration of the timer frequency. 28051723b4a3SAtsushi Nemoto 280667596573SPaul Burton config HZ_24 280767596573SPaul Burton bool "24 HZ" if SYS_SUPPORTS_24HZ || SYS_SUPPORTS_ARBIT_HZ 280867596573SPaul Burton 28091723b4a3SAtsushi Nemoto config HZ_48 28100f873585SRalf Baechle bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ 28111723b4a3SAtsushi Nemoto 28121723b4a3SAtsushi Nemoto config HZ_100 28131723b4a3SAtsushi Nemoto bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ 28141723b4a3SAtsushi Nemoto 28151723b4a3SAtsushi Nemoto config HZ_128 28161723b4a3SAtsushi Nemoto bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ 28171723b4a3SAtsushi Nemoto 28181723b4a3SAtsushi Nemoto config HZ_250 28191723b4a3SAtsushi Nemoto bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ 28201723b4a3SAtsushi Nemoto 28211723b4a3SAtsushi Nemoto config HZ_256 28221723b4a3SAtsushi Nemoto bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ 28231723b4a3SAtsushi Nemoto 28241723b4a3SAtsushi Nemoto config HZ_1000 28251723b4a3SAtsushi Nemoto bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ 28261723b4a3SAtsushi Nemoto 28271723b4a3SAtsushi Nemoto config HZ_1024 28281723b4a3SAtsushi Nemoto bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ 28291723b4a3SAtsushi Nemoto 28301723b4a3SAtsushi Nemotoendchoice 28311723b4a3SAtsushi Nemoto 283267596573SPaul Burtonconfig SYS_SUPPORTS_24HZ 283367596573SPaul Burton bool 283467596573SPaul Burton 28351723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_48HZ 28361723b4a3SAtsushi Nemoto bool 28371723b4a3SAtsushi Nemoto 28381723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_100HZ 28391723b4a3SAtsushi Nemoto bool 28401723b4a3SAtsushi Nemoto 28411723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_128HZ 28421723b4a3SAtsushi Nemoto bool 28431723b4a3SAtsushi Nemoto 28441723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_250HZ 28451723b4a3SAtsushi Nemoto bool 28461723b4a3SAtsushi Nemoto 28471723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_256HZ 28481723b4a3SAtsushi Nemoto bool 28491723b4a3SAtsushi Nemoto 28501723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_1000HZ 28511723b4a3SAtsushi Nemoto bool 28521723b4a3SAtsushi Nemoto 28531723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_1024HZ 28541723b4a3SAtsushi Nemoto bool 28551723b4a3SAtsushi Nemoto 28561723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_ARBIT_HZ 28571723b4a3SAtsushi Nemoto bool 285867596573SPaul Burton default y if !SYS_SUPPORTS_24HZ && \ 285967596573SPaul Burton !SYS_SUPPORTS_48HZ && \ 286067596573SPaul Burton !SYS_SUPPORTS_100HZ && \ 286167596573SPaul Burton !SYS_SUPPORTS_128HZ && \ 286267596573SPaul Burton !SYS_SUPPORTS_250HZ && \ 286367596573SPaul Burton !SYS_SUPPORTS_256HZ && \ 286467596573SPaul Burton !SYS_SUPPORTS_1000HZ && \ 28651723b4a3SAtsushi Nemoto !SYS_SUPPORTS_1024HZ 28661723b4a3SAtsushi Nemoto 28671723b4a3SAtsushi Nemotoconfig HZ 28681723b4a3SAtsushi Nemoto int 286967596573SPaul Burton default 24 if HZ_24 28701723b4a3SAtsushi Nemoto default 48 if HZ_48 28711723b4a3SAtsushi Nemoto default 100 if HZ_100 28721723b4a3SAtsushi Nemoto default 128 if HZ_128 28731723b4a3SAtsushi Nemoto default 250 if HZ_250 28741723b4a3SAtsushi Nemoto default 256 if HZ_256 28751723b4a3SAtsushi Nemoto default 1000 if HZ_1000 28761723b4a3SAtsushi Nemoto default 1024 if HZ_1024 28771723b4a3SAtsushi Nemoto 287896685b17SDeng-Cheng Zhuconfig SCHED_HRTICK 287996685b17SDeng-Cheng Zhu def_bool HIGH_RES_TIMERS 288096685b17SDeng-Cheng Zhu 2881ea6e942bSAtsushi Nemotoconfig KEXEC 28827d60717eSKees Cook bool "Kexec system call" 28832965faa5SDave Young select KEXEC_CORE 2884ea6e942bSAtsushi Nemoto help 2885ea6e942bSAtsushi Nemoto kexec is a system call that implements the ability to shutdown your 2886ea6e942bSAtsushi Nemoto current kernel, and to start another kernel. It is like a reboot 28873dde6ad8SDavid Sterba but it is independent of the system firmware. And like a reboot 2888ea6e942bSAtsushi Nemoto you can start any kernel with it, not just Linux. 2889ea6e942bSAtsushi Nemoto 289001dd2fbfSMatt LaPlante The name comes from the similarity to the exec system call. 2891ea6e942bSAtsushi Nemoto 2892ea6e942bSAtsushi Nemoto It is an ongoing process to be certain the hardware in a machine 2893ea6e942bSAtsushi Nemoto is properly shutdown, so do not be surprised if this code does not 2894bf220695SGeert Uytterhoeven initially work for you. As of this writing the exact hardware 2895bf220695SGeert Uytterhoeven interface is strongly in flux, so no good recommendation can be 2896bf220695SGeert Uytterhoeven made. 2897ea6e942bSAtsushi Nemoto 28987aa1c8f4SRalf Baechleconfig CRASH_DUMP 28997aa1c8f4SRalf Baechle bool "Kernel crash dumps" 29007aa1c8f4SRalf Baechle help 29017aa1c8f4SRalf Baechle Generate crash dump after being started by kexec. 29027aa1c8f4SRalf Baechle This should be normally only set in special crash dump kernels 29037aa1c8f4SRalf Baechle which are loaded in the main kernel with kexec-tools into 29047aa1c8f4SRalf Baechle a specially reserved region and then later executed after 29057aa1c8f4SRalf Baechle a crash by kdump/kexec. The crash dump kernel must be compiled 29067aa1c8f4SRalf Baechle to a memory address not used by the main kernel or firmware using 29077aa1c8f4SRalf Baechle PHYSICAL_START. 29087aa1c8f4SRalf Baechle 29097aa1c8f4SRalf Baechleconfig PHYSICAL_START 29107aa1c8f4SRalf Baechle hex "Physical address where the kernel is loaded" 29118bda3e26SMaciej W. Rozycki default "0xffffffff84000000" 29127aa1c8f4SRalf Baechle depends on CRASH_DUMP 29137aa1c8f4SRalf Baechle help 29147aa1c8f4SRalf Baechle This gives the CKSEG0 or KSEG0 address where the kernel is loaded. 29157aa1c8f4SRalf Baechle If you plan to use kernel for capturing the crash dump change 29167aa1c8f4SRalf Baechle this value to start of the reserved region (the "X" value as 29177aa1c8f4SRalf Baechle specified in the "crashkernel=YM@XM" command line boot parameter 29187aa1c8f4SRalf Baechle passed to the panic-ed kernel). 29197aa1c8f4SRalf Baechle 2920ea6e942bSAtsushi Nemotoconfig SECCOMP 2921ea6e942bSAtsushi Nemoto bool "Enable seccomp to safely compute untrusted bytecode" 2922293c5bd1SRalf Baechle depends on PROC_FS 2923ea6e942bSAtsushi Nemoto default y 2924ea6e942bSAtsushi Nemoto help 2925ea6e942bSAtsushi Nemoto This kernel feature is useful for number crunching applications 2926ea6e942bSAtsushi Nemoto that may need to compute untrusted bytecode during their 2927ea6e942bSAtsushi Nemoto execution. By using pipes or other transports made available to 2928ea6e942bSAtsushi Nemoto the process as file descriptors supporting the read/write 2929ea6e942bSAtsushi Nemoto syscalls, it's possible to isolate those applications in 2930ea6e942bSAtsushi Nemoto their own address space using seccomp. Once seccomp is 2931ea6e942bSAtsushi Nemoto enabled via /proc/<pid>/seccomp, it cannot be disabled 2932ea6e942bSAtsushi Nemoto and the task is only allowed to execute a few safe syscalls 2933ea6e942bSAtsushi Nemoto defined by each seccomp mode. 2934ea6e942bSAtsushi Nemoto 2935ea6e942bSAtsushi Nemoto If unsure, say Y. Only embedded should say N here. 2936ea6e942bSAtsushi Nemoto 2937597ce172SPaul Burtonconfig MIPS_O32_FP64_SUPPORT 2938b7f1e273SPaul Burton bool "Support for O32 binaries using 64-bit FP" if !CPU_MIPSR6 2939597ce172SPaul Burton depends on 32BIT || MIPS32_O32 2940597ce172SPaul Burton help 2941597ce172SPaul Burton When this is enabled, the kernel will support use of 64-bit floating 2942597ce172SPaul Burton point registers with binaries using the O32 ABI along with the 2943597ce172SPaul Burton EF_MIPS_FP64 ELF header flag (typically built with -mfp64). On 2944597ce172SPaul Burton 32-bit MIPS systems this support is at the cost of increasing the 2945597ce172SPaul Burton size and complexity of the compiled FPU emulator. Thus if you are 2946597ce172SPaul Burton running a MIPS32 system and know that none of your userland binaries 2947597ce172SPaul Burton will require 64-bit floating point, you may wish to reduce the size 2948597ce172SPaul Burton of your kernel & potentially improve FP emulation performance by 2949597ce172SPaul Burton saying N here. 2950597ce172SPaul Burton 295106e2e882SPaul Burton Although binutils currently supports use of this flag the details 295206e2e882SPaul Burton concerning its effect upon the O32 ABI in userland are still being 295306e2e882SPaul Burton worked on. In order to avoid userland becoming dependant upon current 295406e2e882SPaul Burton behaviour before the details have been finalised, this option should 295506e2e882SPaul Burton be considered experimental and only enabled by those working upon 295606e2e882SPaul Burton said details. 295706e2e882SPaul Burton 295806e2e882SPaul Burton If unsure, say N. 2959597ce172SPaul Burton 2960f2ffa5abSDezhong Diaoconfig USE_OF 29610b3e06fdSJonas Gorski bool 2962f2ffa5abSDezhong Diao select OF 2963e6ce1324SStephen Neuendorffer select OF_EARLY_FLATTREE 2964abd2363fSGrant Likely select IRQ_DOMAIN 2965f2ffa5abSDezhong Diao 29662fe8ea39SDengcheng Zhuconfig UHI_BOOT 29672fe8ea39SDengcheng Zhu bool 29682fe8ea39SDengcheng Zhu 29697fafb068SAndrew Brestickerconfig BUILTIN_DTB 29707fafb068SAndrew Bresticker bool 29717fafb068SAndrew Bresticker 29721da8f179SJonas Gorskichoice 29735b24d52cSJonas Gorski prompt "Kernel appended dtb support" if USE_OF 29741da8f179SJonas Gorski default MIPS_NO_APPENDED_DTB 29751da8f179SJonas Gorski 29761da8f179SJonas Gorski config MIPS_NO_APPENDED_DTB 29771da8f179SJonas Gorski bool "None" 29781da8f179SJonas Gorski help 29791da8f179SJonas Gorski Do not enable appended dtb support. 29801da8f179SJonas Gorski 298187db537dSAaro Koskinen config MIPS_ELF_APPENDED_DTB 298287db537dSAaro Koskinen bool "vmlinux" 298387db537dSAaro Koskinen help 298487db537dSAaro Koskinen With this option, the boot code will look for a device tree binary 298587db537dSAaro Koskinen DTB) included in the vmlinux ELF section .appended_dtb. By default 298687db537dSAaro Koskinen it is empty and the DTB can be appended using binutils command 298787db537dSAaro Koskinen objcopy: 298887db537dSAaro Koskinen 298987db537dSAaro Koskinen objcopy --update-section .appended_dtb=<filename>.dtb vmlinux 299087db537dSAaro Koskinen 299187db537dSAaro Koskinen This is meant as a backward compatiblity convenience for those 299287db537dSAaro Koskinen systems with a bootloader that can't be upgraded to accommodate 299387db537dSAaro Koskinen the documented boot protocol using a device tree. 299487db537dSAaro Koskinen 29951da8f179SJonas Gorski config MIPS_RAW_APPENDED_DTB 2996b8f54f2cSJonas Gorski bool "vmlinux.bin or vmlinuz.bin" 29971da8f179SJonas Gorski help 29981da8f179SJonas Gorski With this option, the boot code will look for a device tree binary 2999b8f54f2cSJonas Gorski DTB) appended to raw vmlinux.bin or vmlinuz.bin. 30001da8f179SJonas Gorski (e.g. cat vmlinux.bin <filename>.dtb > vmlinux_w_dtb). 30011da8f179SJonas Gorski 30021da8f179SJonas Gorski This is meant as a backward compatibility convenience for those 30031da8f179SJonas Gorski systems with a bootloader that can't be upgraded to accommodate 30041da8f179SJonas Gorski the documented boot protocol using a device tree. 30051da8f179SJonas Gorski 30061da8f179SJonas Gorski Beware that there is very little in terms of protection against 30071da8f179SJonas Gorski this option being confused by leftover garbage in memory that might 30081da8f179SJonas Gorski look like a DTB header after a reboot if no actual DTB is appended 30091da8f179SJonas Gorski to vmlinux.bin. Do not leave this option active in a production kernel 30101da8f179SJonas Gorski if you don't intend to always append a DTB. 30111da8f179SJonas Gorskiendchoice 30121da8f179SJonas Gorski 30132024972eSJonas Gorskichoice 30142024972eSJonas Gorski prompt "Kernel command line type" if !CMDLINE_OVERRIDE 30152bcef9b4SJonas Gorski default MIPS_CMDLINE_FROM_DTB if USE_OF && !ATH79 && !MACH_INGENIC && \ 30163f5f0a44SPaul Burton !MIPS_MALTA && \ 30172bcef9b4SJonas Gorski !CAVIUM_OCTEON_SOC 30182024972eSJonas Gorski default MIPS_CMDLINE_FROM_BOOTLOADER 30192024972eSJonas Gorski 30202024972eSJonas Gorski config MIPS_CMDLINE_FROM_DTB 30212024972eSJonas Gorski depends on USE_OF 30222024972eSJonas Gorski bool "Dtb kernel arguments if available" 30232024972eSJonas Gorski 30242024972eSJonas Gorski config MIPS_CMDLINE_DTB_EXTEND 30252024972eSJonas Gorski depends on USE_OF 30262024972eSJonas Gorski bool "Extend dtb kernel arguments with bootloader arguments" 30272024972eSJonas Gorski 30282024972eSJonas Gorski config MIPS_CMDLINE_FROM_BOOTLOADER 30292024972eSJonas Gorski bool "Bootloader kernel arguments if available" 3030ed47e153SRabin Vincent 3031ed47e153SRabin Vincent config MIPS_CMDLINE_BUILTIN_EXTEND 3032ed47e153SRabin Vincent depends on CMDLINE_BOOL 3033ed47e153SRabin Vincent bool "Extend builtin kernel arguments with bootloader arguments" 30342024972eSJonas Gorskiendchoice 30352024972eSJonas Gorski 30365e83d430SRalf Baechleendmenu 30375e83d430SRalf Baechle 30381df0f0ffSAtsushi Nemotoconfig LOCKDEP_SUPPORT 30391df0f0ffSAtsushi Nemoto bool 30401df0f0ffSAtsushi Nemoto default y 30411df0f0ffSAtsushi Nemoto 30421df0f0ffSAtsushi Nemotoconfig STACKTRACE_SUPPORT 30431df0f0ffSAtsushi Nemoto bool 30441df0f0ffSAtsushi Nemoto default y 30451df0f0ffSAtsushi Nemoto 3046e1e16115SAaro Koskinenconfig HAVE_LATENCYTOP_SUPPORT 3047e1e16115SAaro Koskinen bool 3048e1e16115SAaro Koskinen default y 3049e1e16115SAaro Koskinen 3050a728ab52SKirill A. Shutemovconfig PGTABLE_LEVELS 3051a728ab52SKirill A. Shutemov int 30523377e227SAlex Belits default 4 if PAGE_SIZE_4KB && MIPS_VA_BITS_48 3053a728ab52SKirill A. Shutemov default 3 if 64BIT && !PAGE_SIZE_64KB 3054a728ab52SKirill A. Shutemov default 2 3055a728ab52SKirill A. Shutemov 30566c359eb1SPaul Burtonconfig MIPS_AUTO_PFN_OFFSET 30576c359eb1SPaul Burton bool 30586c359eb1SPaul Burton 30591da177e4SLinus Torvaldsmenu "Bus options (PCI, PCMCIA, EISA, ISA, TC)" 30601da177e4SLinus Torvalds 30615e83d430SRalf Baechleconfig HW_HAS_EISA 30625e83d430SRalf Baechle bool 30631da177e4SLinus Torvaldsconfig HW_HAS_PCI 30641da177e4SLinus Torvalds bool 30651da177e4SLinus Torvalds 30661da177e4SLinus Torvaldsconfig PCI 30671da177e4SLinus Torvalds bool "Support for PCI controller" 30681da177e4SLinus Torvalds depends on HW_HAS_PCI 3069abb4ae46SRalf Baechle select PCI_DOMAINS 30701da177e4SLinus Torvalds help 30711da177e4SLinus Torvalds Find out whether you have a PCI motherboard. PCI is the name of a 30721da177e4SLinus Torvalds bus system, i.e. the way the CPU talks to the other stuff inside 30731da177e4SLinus Torvalds your box. Other bus systems are ISA, EISA, or VESA. If you have PCI, 30741da177e4SLinus Torvalds say Y, otherwise N. 30751da177e4SLinus Torvalds 30760e476d91SHuacai Chenconfig HT_PCI 30770e476d91SHuacai Chen bool "Support for HT-linked PCI" 30780e476d91SHuacai Chen default y 30790e476d91SHuacai Chen depends on CPU_LOONGSON3 30800e476d91SHuacai Chen select PCI 30810e476d91SHuacai Chen select PCI_DOMAINS 30820e476d91SHuacai Chen help 30830e476d91SHuacai Chen Loongson family machines use Hyper-Transport bus for inter-core 30840e476d91SHuacai Chen connection and device connection. The PCI bus is a subordinate 30850e476d91SHuacai Chen linked at HT. Choose Y for Loongson-3 based machines. 30860e476d91SHuacai Chen 30871da177e4SLinus Torvaldsconfig PCI_DOMAINS 30881da177e4SLinus Torvalds bool 30891da177e4SLinus Torvalds 309088555b48SPaul Burtonconfig PCI_DOMAINS_GENERIC 309188555b48SPaul Burton bool 309288555b48SPaul Burton 3093c5611df9SPaul Burtonconfig PCI_DRIVERS_GENERIC 309487dd9a4dSPaul Burton select PCI_DOMAINS_GENERIC if PCI_DOMAINS 3095c5611df9SPaul Burton bool 3096c5611df9SPaul Burton 3097c5611df9SPaul Burtonconfig PCI_DRIVERS_LEGACY 3098c5611df9SPaul Burton def_bool !PCI_DRIVERS_GENERIC 3099c5611df9SPaul Burton select NO_GENERIC_PCI_IOPORT_MAP 3100c5611df9SPaul Burton 31011da177e4SLinus Torvaldssource "drivers/pci/Kconfig" 31021da177e4SLinus Torvalds 31031da177e4SLinus Torvalds# 31041da177e4SLinus Torvalds# ISA support is now enabled via select. Too many systems still have the one 31051da177e4SLinus Torvalds# or other ISA chip on the board that users don't know about so don't expect 31061da177e4SLinus Torvalds# users to choose the right thing ... 31071da177e4SLinus Torvalds# 31081da177e4SLinus Torvaldsconfig ISA 31091da177e4SLinus Torvalds bool 31101da177e4SLinus Torvalds 31111da177e4SLinus Torvaldsconfig EISA 31121da177e4SLinus Torvalds bool "EISA support" 31135e83d430SRalf Baechle depends on HW_HAS_EISA 31141da177e4SLinus Torvalds select ISA 3115aa414dffSRalf Baechle select GENERIC_ISA_DMA 31161da177e4SLinus Torvalds ---help--- 31171da177e4SLinus Torvalds The Extended Industry Standard Architecture (EISA) bus was 31181da177e4SLinus Torvalds developed as an open alternative to the IBM MicroChannel bus. 31191da177e4SLinus Torvalds 31201da177e4SLinus Torvalds The EISA bus provided some of the features of the IBM MicroChannel 31211da177e4SLinus Torvalds bus while maintaining backward compatibility with cards made for 31221da177e4SLinus Torvalds the older ISA bus. The EISA bus saw limited use between 1988 and 31231da177e4SLinus Torvalds 1995 when it was made obsolete by the PCI bus. 31241da177e4SLinus Torvalds 31251da177e4SLinus Torvalds Say Y here if you are building a kernel for an EISA-based machine. 31261da177e4SLinus Torvalds 31271da177e4SLinus Torvalds Otherwise, say N. 31281da177e4SLinus Torvalds 31291da177e4SLinus Torvaldssource "drivers/eisa/Kconfig" 31301da177e4SLinus Torvalds 31311da177e4SLinus Torvaldsconfig TC 31321da177e4SLinus Torvalds bool "TURBOchannel support" 31331da177e4SLinus Torvalds depends on MACH_DECSTATION 31341da177e4SLinus Torvalds help 313550a23e6eSJustin P. Mattock TURBOchannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS 313650a23e6eSJustin P. Mattock processors. TURBOchannel programming specifications are available 313750a23e6eSJustin P. Mattock at: 313850a23e6eSJustin P. Mattock <ftp://ftp.hp.com/pub/alphaserver/archive/triadd/> 313950a23e6eSJustin P. Mattock and: 314050a23e6eSJustin P. Mattock <http://www.computer-refuge.org/classiccmp/ftp.digital.com/pub/DEC/TriAdd/> 314150a23e6eSJustin P. Mattock Linux driver support status is documented at: 314250a23e6eSJustin P. Mattock <http://www.linux-mips.org/wiki/DECstation> 31431da177e4SLinus Torvalds 31441da177e4SLinus Torvaldsconfig MMU 31451da177e4SLinus Torvalds bool 31461da177e4SLinus Torvalds default y 31471da177e4SLinus Torvalds 3148109c32ffSMatt Redfearnconfig ARCH_MMAP_RND_BITS_MIN 3149109c32ffSMatt Redfearn default 12 if 64BIT 3150109c32ffSMatt Redfearn default 8 3151109c32ffSMatt Redfearn 3152109c32ffSMatt Redfearnconfig ARCH_MMAP_RND_BITS_MAX 3153109c32ffSMatt Redfearn default 18 if 64BIT 3154109c32ffSMatt Redfearn default 15 3155109c32ffSMatt Redfearn 3156109c32ffSMatt Redfearnconfig ARCH_MMAP_RND_COMPAT_BITS_MIN 3157109c32ffSMatt Redfearn default 8 3158109c32ffSMatt Redfearn 3159109c32ffSMatt Redfearnconfig ARCH_MMAP_RND_COMPAT_BITS_MAX 3160109c32ffSMatt Redfearn default 15 3161109c32ffSMatt Redfearn 3162d865bea4SRalf Baechleconfig I8253 3163d865bea4SRalf Baechle bool 3164798778b8SRussell King select CLKSRC_I8253 31652d02612fSThomas Gleixner select CLKEVT_I8253 31669726b43aSWu Zhangjin select MIPS_EXTERNAL_TIMER 3167d865bea4SRalf Baechle 3168e05eb3f8SRalf Baechleconfig ZONE_DMA 3169e05eb3f8SRalf Baechle bool 3170e05eb3f8SRalf Baechle 3171cce335aeSRalf Baechleconfig ZONE_DMA32 3172cce335aeSRalf Baechle bool 3173cce335aeSRalf Baechle 31741da177e4SLinus Torvaldssource "drivers/pcmcia/Kconfig" 31751da177e4SLinus Torvalds 3176fc5d9888SAlexander Sverdlinconfig HAS_RAPIDIO 3177fc5d9888SAlexander Sverdlin bool 3178fc5d9888SAlexander Sverdlin default n 3179fc5d9888SAlexander Sverdlin 3180388b78adSAlexandre Bounineconfig RAPIDIO 318156abde72SAlexandre Bounine tristate "RapidIO support" 3182fc5d9888SAlexander Sverdlin depends on HAS_RAPIDIO || PCI 3183388b78adSAlexandre Bounine help 3184388b78adSAlexandre Bounine If you say Y here, the kernel will include drivers and 3185388b78adSAlexandre Bounine infrastructure code to support RapidIO interconnect devices. 3186388b78adSAlexandre Bounine 3187388b78adSAlexandre Bouninesource "drivers/rapidio/Kconfig" 3188388b78adSAlexandre Bounine 31891da177e4SLinus Torvaldsendmenu 31901da177e4SLinus Torvalds 31911da177e4SLinus Torvaldsconfig TRAD_SIGNALS 31921da177e4SLinus Torvalds bool 31931da177e4SLinus Torvalds 31941da177e4SLinus Torvaldsconfig MIPS32_COMPAT 319578aaf956SRalf Baechle bool 31961da177e4SLinus Torvalds 31971da177e4SLinus Torvaldsconfig COMPAT 31981da177e4SLinus Torvalds bool 31991da177e4SLinus Torvalds 320005e43966SAtsushi Nemotoconfig SYSVIPC_COMPAT 320105e43966SAtsushi Nemoto bool 320205e43966SAtsushi Nemoto 32031da177e4SLinus Torvaldsconfig MIPS32_O32 32041da177e4SLinus Torvalds bool "Kernel support for o32 binaries" 320578aaf956SRalf Baechle depends on 64BIT 320678aaf956SRalf Baechle select ARCH_WANT_OLD_COMPAT_IPC 320778aaf956SRalf Baechle select COMPAT 320878aaf956SRalf Baechle select MIPS32_COMPAT 320978aaf956SRalf Baechle select SYSVIPC_COMPAT if SYSVIPC 32101da177e4SLinus Torvalds help 32111da177e4SLinus Torvalds Select this option if you want to run o32 binaries. These are pure 32121da177e4SLinus Torvalds 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of 32131da177e4SLinus Torvalds existing binaries are in this format. 32141da177e4SLinus Torvalds 32151da177e4SLinus Torvalds If unsure, say Y. 32161da177e4SLinus Torvalds 32171da177e4SLinus Torvaldsconfig MIPS32_N32 32181da177e4SLinus Torvalds bool "Kernel support for n32 binaries" 3219c22eacfeSRalf Baechle depends on 64BIT 322078aaf956SRalf Baechle select COMPAT 322178aaf956SRalf Baechle select MIPS32_COMPAT 322278aaf956SRalf Baechle select SYSVIPC_COMPAT if SYSVIPC 32231da177e4SLinus Torvalds help 32241da177e4SLinus Torvalds Select this option if you want to run n32 binaries. These are 32251da177e4SLinus Torvalds 64-bit binaries using 32-bit quantities for addressing and certain 32261da177e4SLinus Torvalds data that would normally be 64-bit. They are used in special 32271da177e4SLinus Torvalds cases. 32281da177e4SLinus Torvalds 32291da177e4SLinus Torvalds If unsure, say N. 32301da177e4SLinus Torvalds 32311da177e4SLinus Torvaldsconfig BINFMT_ELF32 32321da177e4SLinus Torvalds bool 32331da177e4SLinus Torvalds default y if MIPS32_O32 || MIPS32_N32 3234f43edca7SRalf Baechle select ELFCORE 32351da177e4SLinus Torvalds 32362116245eSRalf Baechlemenu "Power management options" 3237952fa954SRodolfo Giometti 3238363c55caSWu Zhangjinconfig ARCH_HIBERNATION_POSSIBLE 3239363c55caSWu Zhangjin def_bool y 32403f5b3e17SRalf Baechle depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP 3241363c55caSWu Zhangjin 3242f4cb5700SJohannes Bergconfig ARCH_SUSPEND_POSSIBLE 3243f4cb5700SJohannes Berg def_bool y 32443f5b3e17SRalf Baechle depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP 3245f4cb5700SJohannes Berg 32462116245eSRalf Baechlesource "kernel/power/Kconfig" 3247952fa954SRodolfo Giometti 32481da177e4SLinus Torvaldsendmenu 32491da177e4SLinus Torvalds 32507a998935SViresh Kumarconfig MIPS_EXTERNAL_TIMER 32517a998935SViresh Kumar bool 32527a998935SViresh Kumar 32537a998935SViresh Kumarmenu "CPU Power Management" 3254c095ebafSPaul Burton 3255c095ebafSPaul Burtonif CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL_TIMER 32567a998935SViresh Kumarsource "drivers/cpufreq/Kconfig" 32577a998935SViresh Kumarendif 32589726b43aSWu Zhangjin 3259c095ebafSPaul Burtonsource "drivers/cpuidle/Kconfig" 3260c095ebafSPaul Burton 3261c095ebafSPaul Burtonendmenu 3262c095ebafSPaul Burton 326398cdee0eSRalf Baechlesource "drivers/firmware/Kconfig" 326498cdee0eSRalf Baechle 32652235a54dSSanjay Lalsource "arch/mips/kvm/Kconfig" 3266